IEC 60335-2-27:2024

Household and similar electrical appliances - Safety - Part 2-27: Particular requirements for appliances for skin exposure to optical radiation

IEC 60335-2-27:2024 deals with the safety of electrical appliances incorporating emitters for exposing the skin to optical radiation (wavelength 100 nm to 1 mm), for household and similar use, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances including direct current (DC) supplied appliances and battery-operated appliances. As far as practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons using the appliances in tanning salons, beauty parlours and similar premises or at home. However, in general, it does not take into account
- persons (including children) whose physical, sensory or mental capabilities; or lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction;
- children playing with the appliance.
Attention is drawn to the fact that
- for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements can be necessary;
- in many countries, additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities.
This standard does not apply to
- appliances for skin or hair care (IEC 60335-2-23);
- sauna heating appliances and infrared cabins (IEC 60335-2-53);
- cosmetic and beauty care appliances incorporating lasers and intense light sources (IEC 60335-2-113);
- appliances for medical purposes (IEC 60601);
- appliances that use UV radiation for purposes other than tanning the skin;
- appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas).
This seventh edition cancels and replaces the sixth edition published in 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) alignment with IEC 60335-1:2020;
b) modification or conversion of some notes to normative text (Clause 1, 7.1);
c) clarification of product risk and liability (7.1);
d) modification of Annex DD as a normative annex, and modification of relevant text (7.12, Annex DD);
e) clarification of requirement for product use links provided (7.12.9);
f) clarification of the application of test probe 18 for appliances for use in tanning salons, beauty parlours and similar premises (8.1.1, 20.2);
g) introduction of accessible surface temperature limits (Clause 11);
h) removal of redundancy between 22.113 and 22.114;
i) clarification that 32.2 is not applicable for UV emitted for the tanning function of the appliance.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its amendments unless that edition precludes it; in that case, the latest edition that does not preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
The content of the corrigendum 1 (2025-12) has been included in this copy.

Appareils électrodomestiques et analogues - Sécurité - Partie 2-27: Exigences particulières pour les appareils d'exposition de la peau aux rayonnements optiques

L'IEC 60335-2-27:2024 traite de la sécurité des appareils électriques qui comportent des émetteurs pour l'exposition de la peau aux rayonnements optiques (longueur d'onde de 100 nm à 1 mm), destinés à un usage domestique et analogue, dont la tension assignée est inférieure ou égale à 250 V pour les appareils monophasés et à 480 V pour les autres appareils, y compris les appareils alimentés en courant continu et les appareils alimentés par batteries.
Dans la mesure du possible, la présente norme traite des dangers ordinaires présentés par les appareils, encourus par toutes les personnes qui utilisent les appareils dans les solariums, salons de beauté et locaux analogues ou à domicile. Cependant, elle ne tient en général pas compte:
- des personnes (y compris des enfants) dont les capacités physiques, sensorielles ou mentales; ou le manque d'expérience et de connaissance les empêchent d'utiliser l'appareil en toute sécurité sans surveillance ou instruction;
- des enfants qui jouent avec l'appareil.
L'attention est attirée sur le fait que
- pour les appareils destinés à être utilisés dans des véhicules ou à bord de navires ou d'avions, des exigences supplémentaires peuvent être nécessaires;
- dans de nombreux pays, des exigences supplémentaires sont spécifiées par les organismes nationaux de la santé, par les organismes nationaux responsables de la protection des travailleurs et par des organismes similaires.
La présente norme ne s'applique pas
- aux appareils destinés aux soins de la peau ou des cheveux (IEC 60335-2-23);
- aux appareils de chauffage de saunas et aux cabines infrarouges (IEC 60335-2-53);
- aux appareils destinés aux soins cosmétiques et esthétiques qui comportent des lasers et des sources de lumière de forte intensité (IEC 60335-2-113);
- aux appareils destinés à des usages médicaux (IEC 60601);
- aux appareils qui utilisent un rayonnement UV pour d'autres besoins que le bronzage de la peau;
- aux appareils destinés à être utilisés dans des locaux qui présentent des conditions particulières, telles que la présence d'une atmosphère corrosive ou explosive (poussière, vapeur ou gaz).
Cette septième édition annule et remplace la sixième édition parue en 2019. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) le texte a été aligné sur l'IEC 60335-1:2020;
b) certaines notes ont été modifiées ou converties en texte normatif (Article 1, 7.1);
c) les informations relatives au risque et à la responsabilité liés au produit ont été clarifiées (7.1);
d) l'Annexe DD a été convertie en annexe normative, et le texte associé a été modifié (7.12, Annexe DD);
e) l'exigence concernant les liens fournis pour l'utilisation du produit a été clarifiée (7.12.9);
f) l'application du calibre d'essai 18 a été modifiée pour les appareils destinés à être utilisés dans les solariums, salons de beauté et locaux analogues (8.1.1, 20.2);
g) des limites de température ont été introduites pour les surfaces accessibles (Article 11);
h) la redondance entre le 22.113 et le 22.114 a été supprimée;
i) l'exigence selon laquelle le 32.2 ne s'applique pas aux UV émis pour la fonction de bronzage de l'appareil a été clarifiée.
La présente partie 2 doit être utilisée conjointement avec la dernière édition de l'IEC 60335-1 et ses amendements, sauf si cette édition l'exclut. Dans ce cas, la dernière édition qui n'exclut pas la présente partie 2 est utilisée. Elle a été établie sur la base de la sixième édition (2020) de cette norme.
Le contenu du corrigendum 1 (2025-12) a été pris en considération dans cet exemplaire.

General Information

• Status: Published
• Publication Date: 29-Jan-2024
• ICS: 13.120 - Domestic safety
• ICS: 97.170 - Body care equipment
• Technical Committee: TC 61 - Safety of household and similar electrical appliances
• Drafting Committee: MT 16 - TC 61/MT 16
• Current Stage: PPUB - Publication issued
• Start Date: 30-Jan-2024
• Completion Date: 26-Jan-2024

Relations

• Corrected By: IEC 60335-2-27:2024/COR1:2025 - Corrigendum 1 - Household and similar electrical appliances - Safety - Part 2-27: Particular requirements for appliances for skin exposure to optical radiation
• Effective Date: 12-Dec-2025
• Revises: IEC 60335-2-27:2019 - Household and similar electrical appliances - Safety - Part 2-27: Particular requirements for appliances for skin exposure to optical radiation
• Effective Date: 05-Sep-2023

Overview - IEC 60335-2-27:2024 (safety for skin-exposure optical-radiation appliances)

IEC 60335-2-27:2024 is the seventh edition of the IEC safety standard for household and similar electrical appliances that expose the skin to optical radiation (wavelength range 100 nm to 1 mm). It applies to mains, DC and battery-operated appliances with rated voltages up to 250 V single‑phase and 480 V other than single‑phase, intended for home use and settings such as tanning salons and beauty parlours. This edition is a technical revision aligned with IEC 60335-1:2020 and includes corrigendum 1 (2025-12) in this copy.

Key scope notes:

• Focuses on common hazards for typical users; does not take into account persons (including children) lacking capacity or children playing with appliances.
• Excludes medical devices and several specific appliance types (see Related Standards).
• Appliances for vehicles, ships or aircraft may require further requirements from other standards or authorities.

Key topics and technical requirements

• Safety framework: To be used together with the latest applicable edition of IEC 60335-1 (general requirements).
• Optical radiation coverage: Devices with emitters for UV, visible and IR exposure (100 nm–1 mm).
• Electrical limits: Rated voltage thresholds for household and similar appliances (≤250 V single-phase, ≤480 V others).
• Marking and instructions: Product labelling, user information and product‑use links (clarified in Clause 7.12).
• Accessible surface temperature: Introduction of limits for surfaces accessible during normal use (Clause 11).
• Test methods and probes: Clarification on application of specific probes (e.g., test probe 18) for salon-use appliances (Clauses 8.1.1, 20.2).
• UV exposure control: Annex DD upgraded to normative status (UV exposure schedules and requirements).
• Radiation and material effects: Normative Annex T (UV‑C effect on non‑metallic materials) and Annex AA (luminance measurement).
• Construction, mechanical, electrical and thermal tests: Detailed in clauses and numerous normative annexes covering endurance, leakage, insulation, fire resistance, software evaluation and more.

Practical applications - who uses this standard

• Manufacturers and product designers of tanning units, beauty-care lamps and consumer optical‑radiation appliances - for design, test criteria and compliance.
• Test laboratories and conformity assessors - for type testing, routine testing and certification against IEC requirements.
• Regulatory and safety authorities - for referencing in national rules and consumer safety guidance.
• Quality assurance and compliance teams - to integrate safety checks, labelling and user instructions into production.
• Salon and equipment installers - to understand safe use limits and marking requirements.

Related standards and exclusions

• IEC 60335-1 (General requirements) - normative companion
• Excluded/adjacent standards: IEC 60335-2-23 (skin/hair care), IEC 60335-2-53 (sauna/IR cabins), IEC 60335-2-113 (cosmetic lasers/intense light), IEC 60601 (medical appliances)
• National health or labour authorities may specify additional requirements for UV and tanning appliances.

Keywords: IEC 60335-2-27, optical radiation safety, tanning appliances, UV lamp safety, household appliance standards, IEC 60335-1, accessible surface temperature, Annex DD, conformity testing.

Standards Content (Sample)

IEC 60335-2-27 ®
Edition 7.0 2024-01
REDLINE VERSION
INTERNATIONAL
STANDARD
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inside
Household and similar electrical appliances – Safety –
Part 2-27: Particular requirements for appliances for skin exposure to optical
radiation
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IEC 60335-2-27 ®
Edition 7.0 2024-01
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Household and similar electrical appliances – Safety –
Part 2-27: Particular requirements for appliances for skin exposure to optical
radiation
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.120, 97.170 ISBN 978-2-8322-8212-0

– 2 – IEC 60335-2-27:2024 RLV © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 2
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 9
4 General requirement . 10
5 General conditions for the tests . 10
6 Classification . 11
7 Marking and instructions . 11
8 Protection against access to live parts . 17
9 Starting of motor-operated appliances . 18
10 Power input and current . 18
11 Heating . 18
12 Void Charging of metal-ion batteries . 20
13 Leakage current and electric strength at operating temperature . 20
14 Transient overvoltages . 20
15 Moisture resistance . 20
16 Leakage current and electric strength . 20
17 Overload protection of transformers and associated circuits . 20
18 Endurance . 21
19 Abnormal operation . 21
20 Stability and mechanical hazards . 21
21 Mechanical strength . 22
22 Construction . 22
23 Internal wiring . 26
24 Components . 26
25 Supply connection and external flexible cords . 26
26 Terminals for external conductors . 27
27 Provision for earthing . 27
28 Screws and connections . 27
29 Clearances, creepage distances and solid insulation . 27
30 Resistance to heat and fire . 27
31 Resistance to rusting . 27
32 Radiation, toxicity and similar hazards . 27
Annexes . 34
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 35
Annex R (normative) Software evaluation . 36
Annex AA (normative) Measurement of luminance . 37
Annex BB (informative) Detailed classification of UV appliances . 38
Annex CC (informative) Fluorescent UV lamp equivalency code . 40

Annex DD (informative normative) Guidelines for the development of an exposure time
schedule for UV exposure UV exposure schedule . 41
Annex EE (informative) Irradiance limits set by regional or national authorities . 43
Bibliography . 45

Figure 101 – Not for household use . 31
Figure 102 – Probe for measuring surface temperatures . 31
Figure 103 – Erythema action spectrum . 32
Figure 101 104 – Measuring points for appliances that are arranged over a person . 32
Figure 102 105 – Measuring points for appliances exposing a sitting person . 33

Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions . 20
Table 101 102 – Maximum transmission of goggles . 31
Table BB.1 – Limits of effective irradiance . 39
Table EE.1 – Europe: EN 60335-2-27 limits . 43
Table EE.2 – Australia and New Zealand: AS/NZS 60335.2.27 limits . 43
Table EE.3 – USA: 21 CFR 1040.20 limits . 44

– 4 – IEC 60335-2-27:2024 RLV © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-27: Particular requirements for appliances
for skin exposure to optical radiation

FOREWORD
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6) All users should ensure that they have the latest edition of this publication.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
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the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
This redline version of the official IEC Standard allows the user to identify the changes
made to the previous edition IEC 60335-2-27:2019. A vertical bar appears in the margin
wherever a change has been made. Additions are in green text, deletions are in
strikethrough red text.
IEC 60335-2-27 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This seventh edition cancels and replaces the sixth edition published in 2019. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) alignment with IEC 60335-1:2020;
b) modification or conversion of some notes to normative text (Clause 1, 7.1);
c) clarification of product risk and liability (7.1);
d) modification of Annex DD as a normative annex, and modification of relevant text (7.12,
Annex DD);
e) clarification of requirement for product use links provided (7.12.9);
f) clarification of the application of test probe 18 for appliances for use in tanning salons,
beauty parlours and similar premises (8.1.1, 20.2);
g) introduction of accessible surface temperature limits (Clause 11);
h) removal of redundancy between 22.113 and 22.114;
i) clarification that 32.2 is not applicable for UV emitted for the tanning function of the
appliance.
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7071/FDIS 61/7094/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for appliances for skin exposure
to optical radiation.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:

– 6 – IEC 60335-2-27:2024 RLV © IEC 2024
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.
The following differences exist in the countries indicated below.
– 6.101: Commercial tanning sunbed services are illegal (Australia).
– Annex DD: Exposure doses are based on the Fitzpatrick Skin Phototype classification system (New Zealand).

IMPORTANT – The "colour inside" logo on the cover page of this document indicates that it
contains colours which are considered to be useful for the correct understanding of its
contents. Users should therefore print this document using a colour printer.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules may can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal and generic standards Horizontal publications, basic safety publications and group safety
publications covering a hazard are not applicable since they have been taken into consideration when developing
the general and particular requirements for the IEC 60335 series of standards. For example, in the case of
temperature requirements for surfaces on many appliances, generic standards, such as ISO 13732-1 for hot surfaces,
are not applicable in addition to Part 1 or part 2 standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 8 – IEC 60335-2-27:2024 RLV © IEC 2024
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-27: Particular requirements for appliances
for skin exposure to optical radiation

1 Scope
This clause of Part 1 is replaced by the following.
This part of IEC 60335 deals with the safety of electrical appliances incorporating emitters for
exposing the skin to optical radiation (wavelength 100 nm to 1 mm), for household and similar
use, their rated voltage being not more than 250 V for single-phase appliances and 480 V for
other appliances including direct current (DC) supplied appliances and battery-operated
appliances.
NOTE 101 Battery-operated appliances and other DC supplied appliances are within the scope of this standard.
Dual supply appliances, either mains-supplied or battery-operated, are regarded as battery-operated appliances
when operated in the battery mode.
As far as practicable, this standard deals with the common hazards presented by appliances
that are encountered by all persons using the appliances in tanning salons, beauty parlours and
similar premises or at home. However, in general, it does not take into account
– persons (including children) whose
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.
NOTE 102 Attention is drawn to the fact that
– for appliances intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary;
– in many countries, additional requirements are specified by the national health authorities,
the national authorities responsible for the protection of labour and similar authorities.
– IEC 60598-1 is applicable as far as is reasonable.
NOTE 103 This standard does not apply to
– appliances for skin or hair care (IEC 60335-2-23);
– sauna heating appliances and infrared cabins (IEC 60335-2-53);
– cosmetic and beauty care appliances incorporating lasers and intense light sources
(IEC 60335-2-113);
– appliances for medical purposes (IEC 60601);
– appliances that use UV radiation for purposes other than tanning the skin;
– appliances intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas).

2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances
IEC 60598-1:2020, Luminaires – Part 1: General requirements and tests
IEC 61228, Fluorescent ultraviolet lamps used for tanning – Measurement and specification
method
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1 Definitions relating to physical characteristics
3.1.101
effective irradiance
irradiance of electromagnetic radiation weighted according to a specified action spectrum
3.1.102
luminous transmission
percentage of incident light passing through a material weighted by the spectral sensitivity of
the human eye and integrated over the wavelength range 380 nm and 780 nm
3.5 Definitions relating to types of appliances
3.5.101
UV appliance
appliance incorporating UV emitters for tanning purposes
3.5.102
IR appliance
appliance not for tanning purposes incorporating one or more IR emitters
3.5.103
VIS appliance
appliance not for tanning purposes incorporating one or more VIS emitters
3.5.104
UV type 1 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths longer
than 320 nm and characterized by a relatively high irradiance in the range 320 nm to 400 nm
3.5.105
UV type 2 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths both
shorter and longer than 320 nm and characterized by a relatively high irradiance in the range
320 nm to 400 nm
– 10 – IEC 60335-2-27:2024 RLV © IEC 2024
3.5.106
UV type 3 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths both
shorter and longer than 320 nm and characterized by a limited irradiance over the whole UV
radiation band
3.5.107
UV type 4 appliance
UV appliance such that the biological effect is mainly caused by radiation having wavelengths
shorter than 320 nm
3.5.108
UV type 5 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths both
shorter and longer than 320 nm and characterized by a relatively high irradiance over the whole
UV radiation band
3.6 Definitions relating to parts of an appliance
3.6.101
ultraviolet UV emitter
radiating source constructed to emit electromagnetic energy at wavelengths between 200 nm
and 400 nm
Note 1 to entry: A fluorescent UV lamp for tanning is an example of a UV emitter.
Note 2 to entry: UV radiation with wavelengths below 200 nm is not easily transmitted through air and usually exists
only in a vacuum.
Note 3 to entry: Ultraviolet UV emitters are also referred to as UV ultraviolet emitters.
3.6.102
infrared IR emitter
radiating source constructed to emit electromagnetic energy at wavelengths between 780 nm
and 1 mm
Note 1 to entry: Infrared IR emitters are also referred to as IR infrared emitters.
3.6.103
visual VIS emitter
radiating source constructed to emit electromagnetic energy at wavelengths of 400 nm to
780 nm
Note 1 to entry: Visual VIS emitters are also referred to as VIS visible emitters.
3.6.104
UV filter
device used to modify the ultra-violet radiation passing through it, generally by altering the
spectral distribution
optical element for attenuation of UV radiation
4 General requirement
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable except as follows.

5.101 Appliances with IR emitters only are tested as heating appliances. All other appliances
are tested as motor-operated appliances.
6 Classification
This clause of Part 1 is applicable except as follows.
6.101 UV appliances shall be one of the following types with respect to the emission of
ultraviolet radiation:
– appliances suitable for household use;
– appliances for commercial use only.
NOTE 1 Appliances for household use can also be for commercial use, such as in tanning salons, beauty parlours
and similar premises.
NOTE 2 Detailed classification of the appliances is described in informative Annex BB.
Compliance is checked by inspection and by the relevant tests.
7 Marking and instructions
This clause of Part 1 is applicable except as follows.
7.1 Addition:
UV appliances intended for commercial use, such as in tanning salons, beauty parlours and
similar premises shall be marked with the prohibition sign “not for household use” pictogram of
Figure 101 or with the substance of the following:
Not for household use
Appliances having fluorescent UV lamps for tanning shall be marked with the fluorescent UV
lamp equivalency code range. This equivalency code range identifies the fluorescent UV lamps
for tanning that shall be used in the appliance.
NOTE 101 Details of the fluorescent UV lamp code that is marked on the lamp are given in IEC 61228 and are
reproduced in informative Annex CC for information. An example of the fluorescent UV lamp equivalency code range
to be marked on the appliance is given in 22.111.
For UV emitters other than fluorescent UV lamps for tanning, the appliance shall be marked
with the type reference of the emitters that are recommended for use.
UV appliances shall be marked with the substance of the following:
WARNING: Ultraviolet radiation can cause injury to eyes, internal tissues of the mouth and
skin, such as skin aging and eventually skin cancer. Read instructions carefully.
Wear the protective goggles provided. Certain medicines and cosmetics may
increase sensitivity.
DANGEROUS ULTRAVIOLET (UV) RADIATION! FOLLOW ALL INSTRUCTIONS! WEAR
PROTECTIVE GOGGLES PROVIDED! Ultraviolet can cause injury to eyes and skin and can
result in skin aging and skin cancers. Certain medicines can increase sensitivity. Do not use
any sunscreens or cosmetics and follow the recommended exposure schedule.
NOTE 102 For UV appliances intended only for use in tanning salons, beauty parlours and
similar premises, this warning may be given on a permanent label intended to be fixed on the
wall adjacent to the UV appliance. The wording "Read instructions carefully" may be replaced
by "Consult the attendant for further information".

– 12 – IEC 60335-2-27:2024 RLV © IEC 2024
UV appliances with a luminance exceeding 100 000 cd/m shall be marked with the substance
of the following:
WARNING: Intense light. Do not stare at the emitter.
NOTE 103102 The method for measuring luminance is given in normative Annex AA.
Appliances shall be marked with the substance of the following unless they are in the exempt
group (see IEC 62471:2006):
WARNING: Do not stare at the emitter. It is required to wear the provided eyewear due
to intense optical radiation. Read instructions carefully.
Appliances incorporating VIS emitters or IR emitters shall be marked with the manufacturer,
model name and technical specification of appropriate replacement lamps.
Unless the intended exposure distance is controlled by their construction, UV appliances shall
be marked with symbol IEC 60417-6301 (2015-03) with the recommended exposure distance
and its unit in centimetres (cm) included between the dimensional arrow heads. Goggles shall
be marked with name, trademark or identification mark of the manufacturer and the following
alpha-numeric characters IEC 60335-2-27.
NOTE 104103 If these warnings are combined, the word "warning" need not be repeated.
7.6 Addition:
Prohibition sign not for household use

ultra-violet light
[symbol IEC 60417-6301
source, exposure
(2015-03)]
distance
7.12 Addition:
The instructions shall give clear information with regard to the proper use of the appliance.
UV appliances shall include a statement that non-users, especially children, must not be
present when the appliance is being operated.
The instructions for UV appliances shall include the substance of the following:
– a statement that UV appliances are not to be used by
• persons under the age of 18 years;
• persons who tend to freckle;
• persons with a natural red hair colour;
• persons having abnormal discoloured patches on the skin;
• persons having a large number of moles;

• persons having asymmetrical irregularly shaped moles larger than 5 mm in diameter
with variable pigmentation and irregular borders; in case of doubt, seek medical advice;
• persons suffering from sunburn;
• persons not able to tan at all or persons that burn easily when exposed to the sun;
• persons having a history of frequent severe sunburn during childhood;
• persons suffering from or previously suffering from skin cancer or predisposed to skin
cancer;
• persons under a doctor’s care for diseases that involve photosensitivity;
• persons receiving photosensitising medications.
– a statement that if unexpected side effects, such as itching, occur within 48 h of the first
session of using a UV appliance, medical advice should be sought prior to further UV
exposure;
– a statement that exposures should not exceed the minimal amount of UV radiation exposure
required to cause perceptible reddening of the skin (a person's minimal erythemal dose
(MED);
– a statement that if skin reddening (erythema) is visible approximately 16 h to 24 h after any
exposure, further exposure should cease. After one week, exposures may be restarted from
the beginning of the schedule of exposure;
– a statement that the appliance must not be used if the timer is faulty or the filter is broken
or removed;
– identification of components that may influence the ultraviolet radiation, such as filters and
reflectors;
– identification of replaceable UV emitters and a statement that they are only to be replaced
by types marked on the appliance. For fluorescent UV lamps for tanning, it shall be stated
that they are only to be replaced by types marked with an equivalency code, the UV
component of which falls within the UV component equivalency code range that is marked
on the appliance. In this case, an example of the equivalency code shall be given and the
UV component aspect of the fluorescent UV lamp for tanning equivalency code shall be
explained.
The instructions for UV appliances shall contain the substance of the following information and
precautions:
– ultraviolet radiation from the sun or from UV appliances can cause skin or eye damage that
may be irreversible. Avoid exposure to the internal tissues of the mouth as it may be more
susceptible to UV damage than the skin. These biological effects depend upon the quality
and quantity of the radiation as well as the skin sensitivity of the individual;
– the skin may develop sunburn after overexposure. Excessively repeated exposures to
ultraviolet radiation from the sun or from UV appliances may lead to premature ageing of
the skin as well as increased risk of development of skin tumours. These risks increase with
increasing cumulative UV exposure. Exposure at an early age increases the risk of skin
damage later in life;
– the unprotected eye may develop surface inflammation and in some cases damage may
occur to the retina after excessive exposure. Cataracts may develop after many repeated
exposures;
– in cases of pronounced individual sensitivity or allergic reaction to ultraviolet radiation,
medical advice is recommended before starting exposure;
– information concerning the intended exposure distance (unless this is controlled by the
construction of the UV appliance);
– recommended schedule of exposure specifying duration and intervals (based on the UV
emitter characteristics, distances and skin sensitivity), see Annex DD;
– recommended number of exposures that should not be exceeded in one year, see
Annex DD;
– 14 – IEC 60335-2-27:2024 RLV © IEC 2024
– the type reference of the protective goggles to be used;
– the following precautions must be taken:
• always use the protective goggles provided. Contact lenses and sun glasses are not a
substitute for goggles;
• remove cosmetics, fragrances, and skin care products well in advance of exposure and
do not use any sunscreens or products that accelerate tanning;
• certain medical conditions or side effects of certain medicines may be aggravated by
ultraviolet exposure. In case of doubt, seek medical advice;
• allow at least 48 h between the first two exposures;
• do not sunbathe and use the appliance on the same day;
• follow the recommendations concerning exposure durations, exposure intervals and
distances from the lamp;
• seek medical advice if persistent lumps or sores appear on the skin or if there are
changes in pigmented moles;
• protect sensitive skin parts such as scars, tattoos and genitals from exposure.
For appliances having a lid that has to be opened in normal use, the instructions shall include
a warning that the appliance must not be switched on with the lid in the closed position and
that, before closing the lid for storage, the appliance must be disconnected from the supply and
allowed to cool down.
NOTE 101 This warning is not required if the appliance complies with the tests of 19.2 and 19.3.
For appliances having parts that are intended to support a person, the instructions shall include
the substance of the following:
This appliance shall not be used by persons exceeding the maximum load of xxx kg. (The value
of xxx is to be stated by the manufacturer).
The instructions for appliances incorporating VIS emitters or IR emitters shall include the
substance of the following:
– advice for the protection of the eyes against exposure to visible and infrared radiation and
advise that adequate precautions must be taken to safeguard the user against the dangers
of excessive exposure.
– a statement that VIS appliances and IR appliances are not to be used by
• persons suffering from sunburn;
• persons under medical care for diseases that involve photosensitivity;
• persons receiving photosensitising medications;
– a statement that if unexpected side effects, such as itching, occur within 48 h of the first
session of using an appliance, medical advice should be sought prior to further exposure;
– information concerning the intended exposure distance (unless this is controlled by the
construction of the appliance);
– recommended schedule of exposure specifying duration and intervals (based on the emitter
characteristics, distances);
– a statement that the appliance must not be used if the timer is faulty or the filter is broken
or removed;
– identification of alternative components that may influence the radiation, such as filters and
reflectors;
– identification of replaceable emitters and a statement that they are only to be replaced by
types marked on the appliance;

– instruction to use goggles and an information about the maximum exposure time (not
necessary if the appliance complies with the limits for the exempt group as defined in 6.1.1
of IEC 62471:2006 when tested as required by 32.103).
If the Prohibition sign “Not for household use” or symbol IEC 60417-6301 (2015-03) is used, its
meaning shall be explained.
The instructions for UV appliances shall include the following information:
– identification of components that can influence the ultraviolet radiation, such as filters and
reflectors;
– identification of replaceable UV emitters;
– information concerning the intended exposure distance (unless this is controlled by the
construction of the UV appliance);
– schedule of exposure specifying duration and intervals according to normative Annex DD;
– recommended number of exposures that should not be exceeded in one year, see normative
Annex DD;
– the type reference of the protective goggles to be used.
The instructions for UV appliances shall include the substance of the following statements:
– non-users, especially children, must not be present when the appliance is being operated;
– tanning appliances are not to be used by
• persons under the age of 18 years;
• persons who tend to freckle;
• persons with a naturally red hair;
• persons having abnormal discoloured patches on the skin;
• persons having a large number of moles;
• persons having asymmetrical irregularly shaped moles larger than 5 mm in diameter with
variable pigmentation and irregular borders; in case of doubt, seek medical advice;
• persons suffering from sunburn;
• persons not able to tan at all or persons that burn easily when exposed to the sun;
• persons having a history of frequent severe sunburn during childhood;
• persons suffering from or previously suffering from skin cancer or predisposed to skin
cancer;
• persons under a doctor's care for diseases that involve photosensitivity;
• persons receiving photosensitising medications;
– if unexpected side effects, such as itching, occur within 48 h of the first session of using a
tanning appliance, medical advice should be sought prior to further UV exposure;
– exposures should not exceed the minimal amount of UV radiation exposure required to
cause perceptible reddening of the skin (a person's minimal erythemal dose (MED));
– if skin reddening (erythema) is visible approximately 16 h to 24 h after any exposure, further
exposure should cease. After one week, exposures may be restarted from the beginning of
the schedule of exposure;
– the appliance must not be used if the timer is faulty or the filter is broken or removed;
– replaceable UV emitters are only to be replaced by types marked on the appliance
– ultraviolet radiation from the sun or from tanning appliances can cause skin or eye damage
that can be irreversible. Avoid exposure to the internal tissues of the mouth as it can be
more susceptible to UV damage than the skin. These biological effects depend upon the
quality and quantity of the radiation as well as the skin sensitivity of the individual;

– 16 – IEC 60335-2-27:2024 RLV © IEC 2024
– the skin can develop sunburn after overexposure. Repeated exposures to ultraviolet
radiation from the sun or from tanning appliances can lead to premature ageing of the skin
as well as increased risk of development of skin tumours. These risks increase with
increasing cumulative UV exposure. Exposure at an early age increases the risk of skin
damage later in life;
– the unprotected eye can develop surface inflammation (photokretitis) and in some cases
damage can occur to the retina after exposure. Cataracts can develop after many repeated
exposures;
– in cases of pronounced individual sensitivity or allergic reaction to ultraviolet r
...

IEC 60335-2-27 ®
Edition 7.0 2024-01
EXTENDED VERSION
INTERNATIONAL
STANDARD
colour
inside
This extended version of IEC 60335-2-27:2024 includes the content of the references made to
IEC 60335-1:2020
Household and similar electrical appliances – Safety –
Part 2-27: Particular requirements for appliances for skin exposure to optical
radiation
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IEC 60335-2-27 ®
Edition 7.0 2024-01
EXTENDED VERSION
INTERNATIONAL
STANDARD
colour
inside
This extended version of IEC 60335-2-27:2024 includes the content of the references made to
IEC 60335-1:2020
Household and similar electrical appliances – Safety –
Part 2-27: Particular requirements for appliances for skin exposure to optical
radiation
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.120, 97.170 ISBN 978-2-8322-8213-7
IEC 60335-1:2020/ISH1:2021 – 1 –
© IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
IEC 60335-1
Edition 6.0  2020-09
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –

Part 1: General requirements
INTERPRETATION SHEET 1
This interpretation sheet has been prepared by IEC technical committee 61: Safety of
household and similar electrical appliances.
The text of this Interpretation Sheet is based on the following documents:
Draft Report on voting
61/5999/DISH 61/6009/RVDISH
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
___________
INTRODUCTION
Edition 6 of IEC 60335-1:2020 defines and introduces requirements for a detachable
power supply part of an appliance. In the document, 24.2 prohibits the use of a power
supply in a flexible cord.
QUESTION:
Does Subclause 24.2 prohibit the use of a detachable power supply part?
ANSWER
No, a "detachable power supply part" is a defined term and is not captured by the term
"power supply" as used in Subclause 24.2.
NOTE A detachable power supply part is captured by the defined term when the output of the power supply
part is detachable from the class III construction part of the appliance at:
– the power supply part, or
– the class III construction part of the appliance.
However, the supply cord (if any) does not have to be detachable from the detachable power supply part.
ICS 13.120; 97.030
IEC 60335-1:2020-09/ISH1:2021-11(en)

– 2 – IEC 60335-2-27:2024 EXV © IEC 2024
CONTENTS
FOREWORD . 6
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 15
4 General requirement . 28
5 General conditions for the tests . 28
6 Classification . 32
7 Marking and instructions . 33
8 Protection against access to live parts . 44
9 Starting of motor-operated appliances . 46
10 Power input and current . 47
11 Heating . 49
12 Charging of metal-ion batteries . 55
13 Leakage current and electric strength at operating temperature . 57
14 Transient overvoltages . 59
15 Moisture resistance . 60
16 Leakage current and electric strength . 63
17 Overload protection of transformers and associated circuits . 65
18 Endurance . 65
19 Abnormal operation . 65
20 Stability and mechanical hazards . 75
21 Mechanical strength . 76
22 Construction . 79
23 Internal wiring . 95
24 Components . 97
25 Supply connection and external flexible cords . 102
26 Terminals for external conductors . 110
27 Provision for earthing . 112
28 Screws and connections . 114
29 Clearances, creepage distances and solid insulation . 116
30 Resistance to heat and fire . 125
31 Resistance to rusting . 130
32 Radiation, toxicity and similar hazards . 130
Annex A (informative) Routine tests . 150
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 152
Annex C (normative) Ageing test on motors . 174
Annex D (normative) Thermal motor protectors . 175
Annex E (normative) Needle-flame test . 176
Annex F (normative) Capacitors . 177
Annex G (normative) Safety isolating transformers . 179

Annex H (normative) Switches . 180
Annex I (normative) Motors having basic insulation that is inadequate for the rated
voltage of the appliance . 182
Annex J (normative) Coated printed circuit boards . 184
Annex K (informative) Overvoltage categories . 185
Annex L (informative) Guidance for the measurement of clearances and creepage
distances . 186
Annex M (informative) Pollution degree . 189
Annex N (normative) Proof tracking test . 190
Annex O (informative) Selection and sequence of the tests of Clause 30 . 191
Annex P (informative) Guidance for the application of this standard to appliances
used in tropical climates . 196
Annex Q (informative) Sequence of tests for the evaluation of electronic circuits . 198
Annex R (normative) Software evaluation . 201
Annex S (informative) Guidance for the application of this standard on measurement
of power input and current based on the requirements of 10.1 and 10.2 concerning the
representative period . 215
Annex T (normative) UV-C radiation effect on non-metallic materials . 216
Annex U (normative) Appliances intended for remote communication through public
networks . 219
Annex AA (normative) Measurement of luminance . 223
Annex BB (informative) Detailed classification of UV appliances . 224
Annex CC (informative) Fluorescent UV lamp equivalency code . 225
Annex DD (normative) UV exposure schedule . 226
Annex EE (informative) Irradiance limits set by regional or national authorities . 227
Bibliography . 229
Index of defined terms . 232

Figure 1 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of class II appliances and for parts of class ll construction . 134
Figure 2 – Circuit diagram for leakage current measurement at operating temperature
for single-phase connection of other than class II appliances or parts of class ll
construction . 135
Figure 3 – Circuit diagram for leakage current measurement at operating temperature
for three-phase with neutral class II appliances and for parts of class ll construction . 136
Figure 4 – Circuit diagram for leakage current measurement at operating temperature
for three-phase with neutral appliances other than those of class II or parts of class ll
construction . 137
Figure 5 – Small part . 138
Figure 6 – Example of an electronic circuit with low-power points . 138
Figure 7 – Test finger nail . 139
Figure 8 – Flexing test apparatus . 140
Figure 9 – Constructions of cord anchorages . 141
Figure 10 – An example of parts of an earthing terminal . 142
Figure 11 – Examples of clearances . 143
Figure 12 – Example of the placement of the cylinder . 144
Figure 13 – Small parts cylinder . 145

– 4 – IEC 60335-2-27:2024 EXV © IEC 2024
Figure 14 – Example of a specified operating region of a lithium-ion cell during
charging . 146
Figure 101 – Not for household use . 146
Figure 102 – Probe for measuring surface temperatures . 147
Figure 103 – Erythema action spectrum . 148
Figure 104 – Measuring points for appliances that are arranged over a person . 148
Figure 105 – Measuring points for appliances exposing a sitting person . 149
Figure B.1 – Examples of battery-operated appliance constructions and application of
normative Annex B (1 of 2) . 171
Figure B.2 – Examples of correct polarity connection marking representing three
batteries . 173
Figure I.1 – Simulation of faults . 183
Figure L.1 – Sequence for the determination of clearances . 186
Figure L.2 – Sequence for the determination of creepage distances . 187
Figure L.3 – Measurement of clearances . 188
Figure O.1 – Tests for resistance to heat . 191
Figure O.2 – Selection and sequence of tests for resistance to fire in hand-held
appliances . 192
Figure O.3 – Selection and sequence of tests for resistance to fire in attended

appliances . 192
Figure O.4 – Selection and sequence of tests for resistance to fire in unattended
appliances . 193
Figure O.5 – Some applications of the term "within a distance of 3 mm" . 195
Figure Q.1 – Flowchart outlining the sequence of tests for the evaluation of electronic
circuits (1 of 2) . 199
Figure S.1 – Flowchart giving guidance on measurement of power input and current
concerning the representative period . 215

Table 1 – Power input deviation . 47
Table 2 – Current deviation . 48
Table 3 – Maximum normal temperature rises . 51
Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions . 55
Table 4 – Voltage for electric strength test . 59
Table 5 – Characteristics of high-voltage sources . 59
Table 6 – Impulse test voltage . 60
Table 7 – Test voltages. 64
Table 8 – Maximum winding temperature . 68
Table 9 – Maximum abnormal temperature rise . 73
Table 10 – Dimensions of cables and conduits . 103
Table 11 – Minimum cross-sectional area of conductors . 105
Table 12 – Pull force and torque . 107
Table 13 – Nominal cross-sectional area of conductors . 111
Table 14 – Torque for testing screws and nuts . 115
Table 15 – Rated impulse voltage . 117
Table 16 – Minimum clearances . 118

Table 17 – Minimum creepage distances for basic insulation . 122
Table 18 – Minimum creepage distances for functional insulation . 123
Table 19 – Minimum thickness for accessible parts of reinforced insulation consisting
of a single layer . 125
Table 102 – Maximum transmission of goggles . 133
Table A.1 – Test voltages . 151
Table B.1 – Artificial source characteristics . 154
Table B.2 – Total area of openings for metal-ion cells . 162
Table B.3 – Volume of air injected at 2 070 kPa . 162
Table C.1 – Test conditions . 174
Table R.1 – General fault/error conditions . 203
Table R.2 – Specific fault/error conditions . 205
Table R.3 – Semi-formal methods . 211
Table R.4 – Software architecture specification . 211
Table R.5 – Module design specification . 212
Table R.6 – Design and coding standards . 213
Table R.7 – Software safety validation . 213
Table T.1 – Minimum property retention limits after UV-C exposure . 217
Table T.2 – Minimum electric strength for internal wiring after UV-C exposure . 218
Table U.1 – Examples of acceptable measures against unauthorised access and
transmission fault/error modes . 221
Table BB.1 – Limits of effective irradiance . 224
Table EE.1 – Europe: EN 60335-2-27 limits . 227
Table EE.2 – Australia and New Zealand: AS/NZS 60335.2.27 limits . 227
Table EE.3 – USA: 21 CFR 1040.20 limits . 228

– 6 – IEC 60335-2-27:2024 EXV © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-27: Particular requirements for appliances
for skin exposure to optical radiation

FOREWORD
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not be held responsible for identifying any or all such patent rights.
This extended version (EXV) of the official IEC Standard provides the user with the
comprehensive content of the Standard.
made to IEC 60335-1:2020.
The specific content of IEC 60335-2-27:2024 is displayed on a blue background.

IEC 60335-2-27 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This seventh edition cancels and replaces the sixth edition published in 2019. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) alignment with IEC 60335-1:2020;
b) modification or conversion of some notes to normative text (Clause 1, 7.1);
c) clarification of product risk and liability (7.1);
d) modification of Annex DD as a normative annex, and modification of relevant text (7.12,
Annex DD);
e) clarification of requirement for product use links provided (7.12.9);
f) clarification of the application of test probe 18 for appliances for use in tanning salons,
beauty parlours and similar premises (8.1.1, 20.2);
g) introduction of accessible surface temperature limits (Clause 11);
h) removal of redundancy between 22.113 and 22.114;
i) clarification that 32.2 is not applicable for UV emitted for the tanning function of the
appliance.
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7071/FDIS 61/7094/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for appliances for skin exposure
to optical radiation.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:

– 8 – IEC 60335-2-27:2024 EXV © IEC 2024
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.
The following differences exist in the countries indicated below.
– 6.101: Commercial tanning sunbed services are illegal (Australia).
– Annex DD: Exposure doses are based on the Fitzpatrick Skin Phototype classification system (New Zealand).

IMPORTANT – The "colour inside" logo on the cover page of this document indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal publications, basic safety publications and group safety publications covering a hazard are not
applicable since they have been taken into consideration when developing the general and particular requirements
for the IEC 60335 series of standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 10 – IEC 60335-2-27:2024 EXV © IEC 2024
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-27: Particular requirements for appliances
for skin exposure to optical radiation

1 Scope
This clause of Part 1 is replaced by the following.
This part of IEC 60335 deals with the safety of electrical appliances incorporating emitters for
exposing the skin to optical radiation (wavelength 100 nm to 1 mm), for household and similar
use, their rated voltage being not more than 250 V for single-phase appliances and 480 V for
other appliances including direct current (DC) supplied appliances and battery-operated
appliances.
As far as practicable, this standard deals with the common hazards presented by appliances
that are encountered by all persons using the appliances in tanning salons, beauty parlours and
similar premises or at home. However, in general, it does not take into account
– persons (including children) whose
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.
Attention is drawn to the fact that
– for appliances intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary;
– in many countries, additional requirements are specified by the national health authorities,
the national authorities responsible for the protection of labour and similar authorities.
This standard does not apply to
– appliances for skin or hair care (IEC 60335-2-23);
– sauna heating appliances and infrared cabins (IEC 60335-2-53);
– cosmetic and beauty care appliances incorporating lasers and intense light sources
(IEC 60335-2-113);
– appliances for medical purposes (IEC 60601);
– appliances that use UV radiation for purposes other than tanning the skin;
– appliances intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60034-1, Rotating electrical machines – Part 1: Rating and performance
IEC 60061-1, Lamp caps and holders together with gauges for the control of interchangeability
and safety – Part 1: Lamp caps
IEC 60065:2014, Audio, video and similar electronic apparatus – Safety requirements
IEC 60068-2-2, Environmental testing – Part 2-2: Tests – Test B: Dry heat
IEC 60068-2-31, Environmental testing – Part 2-31: Tests – Test Ec: Rough handling shocks,
primarily for equipment-type specimens
IEC 60068-2-75, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests
IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state
IEC TR 60083, Plugs and socket-outlets for domestic and similar general use standardized in
member countries of IEC
IEC 60085:2007, Electrical insulation – Thermal evaluation and designation
IEC 60112:2003, Method for the determination of the proof and the comparative tracking indices
of solid insulating materials
IEC 60112:2003/AMD1:2009
IEC 60127 (all parts), Miniature fuses
IEC 60227 (all parts), Polyvinyl chloride insulated cables of rated voltages up to and including
450/750 V
IEC 60227-5:2011, Polyvinyl chloride insulated cables of rated voltages up to and including
450/750 V – Part 5: Flexible cables (cords)
IEC 60238, Edison screw lampholders
IEC 60245 (all parts), Rubber insulated cables – Rated voltages up to and including 450/750 V
IEC 60252-1:2010, AC motor capacitors – Part 1: General – Performance, testing and rating –
Safety requirements – Guidance for installation and operation
IEC 60252-1:2010/AMD1:2013
IEC 60309-2, Plugs, socket-outlets and couplers for industrial purposes – Part 2: Dimensional
interchangeability requirements for pin and contact-tube accessories
IEC 60320 (all parts), Appliance couplers for household and similar general purposes
IEC 60320-1, Appliance couplers for household and similar general purposes – Part 1: General
requirements
IEC 60320-2-3, Appliance couplers for household and similar general purposes – Part 2-3:
Appliance couplers with a degree of protection higher than IPX0
___________
There exists a consolidated edition 4.1:2009 that includes edition 4 and its Amendment 1.
There exists a consolidated edition 2.1:2013 that includes edition 2 and its Amendment 1.

– 12 – IEC 60335-2-27:2024 EXV © IEC 2024
IEC 60320-3, Appliance couplers for household and similar general purposes – Part 3: Standard
sheets and gauges
IEC 60384-14:2013, Fixed capacitors for use in electronic equipment – Part 14: Sectional
specification – Fixed capacitors for electromagnetic interference suppression and connection
to the supply mains
IEC 60384-14:2013/AMD1:2016
IEC 60417, Graphical symbols for use on equipment
IEC 60445:2017, Basic and safety principles for man-machine interface, marking and
identification – Identification of equipment terminals, conductor terminations and conductors
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)

IEC 60529:1989/AMD1:1999
IEC 60529:1989/AMD2:2013
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances
IEC 60598-1:2020, Luminaires – Part 1: General requirements and tests
IEC 60603-11, Connectors for frequencies below 3 MHz for use with printed boards – Part 11:
Detail specification for concentric connectors (dimensions for free connectors and fixed
connectors)
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 60664-3:2016, Insulation coordination for equipment within low-voltage systems – Part 3:
Use of coating, potting or moulding for protection against pollution
IEC 60664-4:2005, Insulation coordination for equipment within low-voltage systems – Part 4:
Consideration of high-frequency voltage stress
IEC 60691, Thermal-links – Requirements and application guide
IEC 60695-2-11:2014, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods –
Glow-wire flammability test method for end-products (GWEPT)
IEC 60695-2-12, Fire hazard testing – Part 2-12: Glowing/hot-wire based test methods – Glow-
wire flammability index (GWFI) test method for materials
IEC 60695-2-13, Fire hazard testing – Part 2-13: Glowing/hot-wire based test methods – Glow-
wire ignition temperature (GWIT) test method for materials
IEC 60695-10-2, Fire hazard testing – Part 10-2: Abnormal heat – Ball pressure test
IEC 60695-11-5:2016, Fire hazard testing – Part 11-5: Test flames – Needle-flame test method
– Apparatus, confirmatory test arrangement and guidance
___________
There exists a consolidated edition 4.1:2016 that includes edition 4 and its Amendment 1.
There exists a consolidated edition 2.2:2013 that includes edition 2 and its Amendment 1 and Amendment 2.

IEC 60695-11-10, Fire hazard testing – Part 11-10: Test flames – 50 W horizontal and vertical
flame test methods
IEC 60730-1:2013, Automatic electrical controls – Part 1: General requirements
IEC 60730-1:2013/AMD1:2015
IEC 60730-2-8:2018, Automatic electrical controls – Part 2-8: Particular requirements for
electrically operated water valves, including mechanical requirements
IEC 60730-2-9:2015, Automatic electrical controls – Part 2-9: Particular requirements for
temperature sensing controls
IEC 60730-2-9:2015/AMD1:2018
IEC 60730-2-10, Automatic electrical controls for household and similar use – Part 2-10:
Particular requirements for motor-starting relays
...

IEC 60335-2-27 ®
Edition 7.0 2024-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-27: Particular requirements for appliances for skin exposure to optical
radiation
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-27: Exigences particulières pour les appareils d'exposition de la peau
aux rayonnements optiques
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IEC 60335-2-27 ®
Edition 7.0 2024-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –

Part 2-27: Particular requirements for appliances for skin exposure to optical

radiation
Appareils électrodomestiques et analogues – Sécurité –

Partie 2-27: Exigences particulières pour les appareils d'exposition de la peau

aux rayonnements optiques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.120, 97.170 ISBN 978-2-8322-8124-6

– 2 – IEC 60335-2-27:2024 © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 General requirement . 10
5 General conditions for the tests . 10
6 Classification . 10
7 Marking and instructions . 11
8 Protection against access to live parts . 14
9 Starting of motor-operated appliances . 15
10 Power input and current . 15
11 Heating . 15
12 Charging of metal-ion batteries . 17
13 Leakage current and electric strength at operating temperature . 17
14 Transient overvoltages . 17
15 Moisture resistance . 17
16 Leakage current and electric strength . 17
17 Overload protection of transformers and associated circuits . 17
18 Endurance . 18
19 Abnormal operation . 18
20 Stability and mechanical hazards . 18
21 Mechanical strength . 19
22 Construction . 19
23 Internal wiring . 23
24 Components . 23
25 Supply connection and external flexible cords . 23
26 Terminals for external conductors . 23
27 Provision for earthing . 24
28 Screws and connections . 24
29 Clearances, creepage distances and solid insulation . 24
30 Resistance to heat and fire . 24
31 Resistance to rusting . 24
32 Radiation, toxicity and similar hazards . 24
Annexes . 31
Annex B (normative) Battery-operated appliances, separable batteries and detachable
batteries for battery-operated appliances . 32
Annex R (normative) Software evaluation . 33
Annex AA (normative) Measurement of luminance . 34
Annex BB (informative) Detailed classification of UV appliances . 35
Annex CC (informative) Fluorescent UV lamp equivalency code . 36
Annex DD (normative) UV exposure schedule . 37

Annex EE (informative) Irradiance limits set by regional or national authorities . 38
Bibliography . 40

Figure 101 – Not for household use . 28
Figure 102 – Probe for measuring surface temperatures . 28
Figure 103 – Erythema action spectrum . 29
Figure 104 – Measuring points for appliances that are arranged over a person . 29
Figure 105 – Measuring points for appliances exposing a sitting person . 30

Table 101 – Maximum temperature rises for specified external accessible surfaces
under normal operating conditions . 17
Table 102 – Maximum transmission of goggles . 28
Table BB.1 – Limits of effective irradiance . 35
Table EE.1 – Europe: EN 60335-2-27 limits . 38
Table EE.2 – Australia and New Zealand: AS/NZS 60335.2.27 limits . 38
Table EE.3 – USA: 21 CFR 1040.20 limits . 39

– 4 – IEC 60335-2-27:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-27: Particular requirements for appliances
for skin exposure to optical radiation

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
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any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 60335-2-27 has been prepared by IEC technical committee 61: Safety of household and
similar electrical appliances. It is an International Standard.
This seventh edition cancels and replaces the sixth edition published in 2019. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) alignment with IEC 60335-1:2020;
b) modification or conversion of some notes to normative text (Clause 1, 7.1);
c) clarification of product risk and liability (7.1);

d) modification of Annex DD as a normative annex, and modification of relevant text (7.12,
Annex DD);
e) clarification of requirement for product use links provided (7.12.9);
f) clarification of the application of test probe 18 for appliances for use in tanning salons,
beauty parlours and similar premises (8.1.1, 20.2);
g) introduction of accessible surface temperature limits (Clause 11);
h) removal of redundancy between 22.113 and 22.114;
i) clarification that 32.2 is not applicable for UV emitted for the tanning function of the
appliance.
The text of this International Standard is based on the following documents:
Draft Report on voting
61/7071/FDIS 61/7094/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts of the IEC 60335 series, under the general title: Household and similar
electrical appliances – Safety, can be found on the IEC website.
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments unless that edition precludes it; in that case, the latest edition that does not
preclude it is used. It was established on the basis of the sixth edition (2020) of that standard.
NOTE 1 When "Part 1" is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to convert
that publication into the IEC standard: Particular requirements for appliances for skin exposure
to optical radiation.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as
far as is reasonable. When this standard states "addition", "modification" or "replacement", the
relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the
associated noun are also in bold.

– 6 – IEC 60335-2-27:2024 © IEC 2024
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations can need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation nationally
not earlier than 12 months or later than 36 months from the date of publication.
The following differences exist in the countries indicated below.
– 6.101: Commercial tanning sunbed services are illegal (Australia).
– Annex DD: Exposure doses are based on the Fitzpatrick Skin Phototype classification system (New Zealand).

IMPORTANT – The "colour inside" logo on the cover page of this document indicates that it
contains colours which are considered to be useful for the correct understanding of its
contents. Users should therefore print this document using a colour printer.

INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
Guidance documents concerning the application of the safety requirements for appliances can
be accessed via TC 61 supporting documents on the IEC website
https://www.iec.ch/tc61/supportingdocuments
This information is given for the convenience of users of this International Standard and does
not constitute a replacement for the normative text in this standard.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in normal
use taking into account the manufacturer's instructions. It also covers abnormal situations that
can be expected in practice and takes into account the way in which electromagnetic
phenomena can affect the safe operation of appliances.
This standard takes into account the requirements of IEC 60364 as far as possible so that there
is compatibility with the wiring rules when the appliance is connected to the supply mains.
However, national wiring rules can differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
When a part 2 standard does not include additional requirements to cover hazards dealt with in
Part 1, Part 1 applies.
NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is
not necessary to specify particular requirements for the appliance in question over and above the general
requirements.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
NOTE 2 Horizontal publications, basic safety publications and group safety publications covering a hazard are not
applicable since they have been taken into consideration when developing the general and particular requirements
for the IEC 60335 series of standards.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features that impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of the
requirements and, if found to be substantially equivalent, may be considered to comply with the
standard.
NOTE 3 Standards dealing with non-safety aspects of household appliances are:
– IEC standards published by TC 59 concerning methods of measuring performance;
– CISPR 11, CISPR 14-1 and relevant IEC 61000-3 series standards concerning electromagnetic emissions;
– CISPR 14-2 concerning electromagnetic immunity;
– IEC standards published by TC 111 concerning environmental matters.

– 8 – IEC 60335-2-27:2024 © IEC 2024
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-27: Particular requirements for appliances
for skin exposure to optical radiation

1 Scope
This clause of Part 1 is replaced by the following.
This part of IEC 60335 deals with the safety of electrical appliances incorporating emitters for
exposing the skin to optical radiation (wavelength 100 nm to 1 mm), for household and similar
use, their rated voltage being not more than 250 V for single-phase appliances and 480 V for
other appliances including direct current (DC) supplied appliances and battery-operated
appliances.
As far as practicable, this standard deals with the common hazards presented by appliances
that are encountered by all persons using the appliances in tanning salons, beauty parlours and
similar premises or at home. However, in general, it does not take into account
– persons (including children) whose
• physical, sensory or mental capabilities; or
• lack of experience and knowledge
prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.
Attention is drawn to the fact that
– for appliances intended to be used in vehicles or on board ships or aircraft, additional
requirements can be necessary;
– in many countries, additional requirements are specified by the national health authorities,
the national authorities responsible for the protection of labour and similar authorities.
This standard does not apply to
– appliances for skin or hair care (IEC 60335-2-23);
– sauna heating appliances and infrared cabins (IEC 60335-2-53);
– cosmetic and beauty care appliances incorporating lasers and intense light sources
(IEC 60335-2-113);
– appliances for medical purposes (IEC 60601);
– appliances that use UV radiation for purposes other than tanning the skin;
– appliances intended to be used in locations where special conditions prevail, such as the
presence of a corrosive or explosive atmosphere (dust, vapour or gas).
2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:
IEC 60584-1, Thermocouples – Part 1: EMF specifications and tolerances

IEC 60598-1:2020, Luminaires – Part 1: General requirements and tests
IEC 61228, Fluorescent ultraviolet lamps used for tanning – Measurement and specification
method
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1 Definitions relating to physical characteristics
3.1.101
effective irradiance
irradiance of electromagnetic radiation weighted according to a specified action spectrum
3.1.102
luminous transmission
percentage of incident light passing through a material weighted by the spectral sensitivity of
the human eye and integrated over the wavelength range 380 nm and 780 nm
3.5 Definitions relating to types of appliances
3.5.101
UV appliance
appliance incorporating UV emitters for tanning purposes
3.5.102
IR appliance
appliance not for tanning purposes incorporating one or more IR emitters
3.5.103
VIS appliance
appliance not for tanning purposes incorporating one or more VIS emitters
3.5.104
UV type 1 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths longer
than 320 nm and characterized by a relatively high irradiance in the range 320 nm to 400 nm
3.5.105
UV type 2 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths both
shorter and longer than 320 nm and characterized by a relatively high irradiance in the range
320 nm to 400 nm
3.5.106
UV type 3 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths both
shorter and longer than 320 nm and characterized by a limited irradiance over the whole UV
radiation band
3.5.107
UV type 4 appliance
UV appliance such that the biological effect is mainly caused by radiation having wavelengths
shorter than 320 nm
– 10 – IEC 60335-2-27:2024 © IEC 2024
3.5.108
UV type 5 appliance
UV appliance such that the biological effect is caused by radiation having wavelengths both
shorter and longer than 320 nm and characterized by a relatively high irradiance over the whole
UV radiation band
3.6 Definitions relating to parts of an appliance
3.6.101
UV emitter
radiating source constructed to emit electromagnetic energy at wavelengths between 200 nm
and 400 nm
Note 1 to entry: A fluorescent UV lamp for tanning is an example of a UV emitter.
Note 2 to entry: UV radiation with wavelengths below 200 nm is not easily transmitted through air and usually exists
only in a vacuum.
Note 3 to entry: UV emitters are also referred to as ultraviolet emitters.
3.6.102
IR emitter
radiating source constructed to emit electromagnetic energy at wavelengths between 780 nm
and 1 mm
Note 1 to entry: IR emitters are also referred to as infrared emitters.
3.6.103
VIS emitter
radiating source constructed to emit electromagnetic energy at wavelengths of 400 nm to
780 nm
Note 1 to entry: VIS emitters are also referred to as visible emitters.
3.6.104
UV filter
optical element for attenuation of UV radiation
4 General requirement
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable except as follows.
5.101 Appliances with IR emitters only are tested as heating appliances. All other appliances
are tested as motor-operated appliances.
6 Classification
This clause of Part 1 is applicable except as follows.
6.101 UV appliances shall be one of the following types with respect to the emission of
ultraviolet radiation:
– appliances suitable for household use;
– appliances for commercial use only.

NOTE 1 Appliances for household use can also be for commercial use, such as in tanning salons, beauty parlours
and similar premises.
NOTE 2 Detailed classification of the appliances is described in informative Annex BB.
Compliance is checked by inspection and by the relevant tests.
7 Marking and instructions
This clause of Part 1 is applicable except as follows.
7.1 Addition:
UV appliances intended for commercial use, such as in tanning salons, beauty parlours and
similar premises shall be marked with the prohibition pictogram of Figure 101 or with the
substance of the following:
Not for household use
Appliances having fluorescent UV lamps for tanning shall be marked with the fluorescent UV
lamp equivalency code range. This equivalency code range identifies the fluorescent UV lamps
for tanning that shall be used in the appliance.
NOTE 101 Details of the fluorescent UV lamp code that is marked on the lamp are given in IEC 61228 and are
reproduced in informative Annex CC for information. An example of the fluorescent UV lamp equivalency code range
to be marked on the appliance is given in 22.111.
For UV emitters other than fluorescent UV lamps for tanning, the appliance shall be marked
with the type reference of the emitters that are recommended for use.
UV appliances shall be marked with the substance of the following:
DANGEROUS ULTRAVIOLET (UV) RADIATION! FOLLOW ALL INSTRUCTIONS! WEAR
PROTECTIVE GOGGLES PROVIDED! Ultraviolet can cause injury to eyes and skin and can
result in skin aging and skin cancers. Certain medicines can increase sensitivity. Do not use
any sunscreens or cosmetics and follow the recommended exposure schedule.
For UV appliances intended only for use in tanning salons, beauty parlours and similar
premises, this warning may be given on a permanent label intended to be fixed on the wall
adjacent to the UV appliance.
UV appliances with a luminance exceeding 100 000 cd/m shall be marked with the substance
of the following:
WARNING: Intense light. Do not stare at the emitter.
NOTE 102 The method for measuring luminance is given in normative Annex AA.
Appliances shall be marked with the substance of the following unless they are in the exempt
group (see IEC 62471:2006):
WARNING: Do not stare at the emitter. It is required to wear the provided eyewear due
to intense optical radiation. Read instructions carefully.
Appliances incorporating VIS emitters or IR emitters shall be marked with the manufacturer,
model name and technical specification of appropriate replacement lamps.
Unless the intended exposure distance is controlled by their construction, UV appliances shall
be marked with symbol IEC 60417-6301 (2015-03) with the recommended exposure distance
and its unit in centimetres (cm) included between the dimensional arrow heads. Goggles shall
be marked with name, trademark or identification mark of the manufacturer and the following
alpha-numeric characters IEC 60335-2-27.

– 12 – IEC 60335-2-27:2024 © IEC 2024
NOTE 103 If these warnings are combined, the word "warning" need not be repeated.
7.6 Addition:
[symbol IEC 60417-6301 ultra-violet light source, exposure
(2015-03)] distance
7.12 Addition:
The instructions for UV appliances shall include the following information:
– identification of components that can influence the ultraviolet radiation, such as filters and
reflectors;
– identification of replaceable UV emitters;
– information concerning the intended exposure distance (unless this is controlled by the
construction of the UV appliance);
– schedule of exposure specifying duration and intervals according to normative Annex DD;
– recommended number of exposures that should not be exceeded in one year, see normative
Annex DD;
– the type reference of the protective goggles to be used.
The instructions for UV appliances shall include the substance of the following statements:
– non-users, especially children, must not be present when the appliance is being operated;
– tanning appliances are not to be used by
• persons under the age of 18 years;
• persons who tend to freckle;
• persons with a naturally red hair;
• persons having abnormal discoloured patches on the skin;
• persons having a large number of moles;
• persons having asymmetrical irregularly shaped moles larger than 5 mm in diameter with
variable pigmentation and irregular borders; in case of doubt, seek medical advice;
• persons suffering from sunburn;
• persons not able to tan at all or persons that burn easily when exposed to the sun;
• persons having a history of frequent severe sunburn during childhood;
• persons suffering from or previously suffering from skin cancer or predisposed to skin
cancer;
• persons under a doctor's care for diseases that involve photosensitivity;
• persons receiving photosensitising medications;
– if unexpected side effects, such as itching, occur within 48 h of the first session of using a
tanning appliance, medical advice should be sought prior to further UV exposure;
– exposures should not exceed the minimal amount of UV radiation exposure required to
cause perceptible reddening of the skin (a person's minimal erythemal dose (MED));
– if skin reddening (erythema) is visible approximately 16 h to 24 h after any exposure, further
exposure should cease. After one week, exposures may be restarted from the beginning of
the schedule of exposure;
– the appliance must not be used if the timer is faulty or the filter is broken or removed;

– replaceable UV emitters are only to be replaced by types marked on the appliance
– ultraviolet radiation from the sun or from tanning appliances can cause skin or eye damage
that can be irreversible. Avoid exposure to the internal tissues of the mouth as it can be
more susceptible to UV damage than the skin. These biological effects depend upon the
quality and quantity of the radiation as well as the skin sensitivity of the individual;
– the skin can develop sunburn after overexposure. Repeated exposures to ultraviolet
radiation from the sun or from tanning appliances can lead to premature ageing of the skin
as well as increased risk of development of skin tumours. These risks increase with
increasing cumulative UV exposure. Exposure at an early age increases the risk of skin
damage later in life;
– the unprotected eye can develop surface inflammation (photokretitis) and in some cases
damage can occur to the retina after exposure. Cataracts can develop after many repeated
exposures;
– in cases of pronounced individual sensitivity or allergic reaction to ultraviolet radiation,
medical advice is recommended before starting exposure;
– the first exposure, as indicated in the exposure schedule, is a necessary test exposure to
identify unexpected side effects when exposed to UV. Therefore, the first recommended
exposure in the exposure schedule is much shorter than later exposures and is not intended
to provide a tan.
– the following precautions must be taken:
• always use the protective goggles provided. Contact lenses and sun glasses are not a
substitute for goggles;
• remove cosmetics, fragrances, and skin care products well in advance of exposure and
do not use any sunscreens or products that accelerate tanning;
• certain medical conditions or side effects of certain medicines can be aggravated by
ultraviolet exposure. In case of doubt, seek medical advice;
• allow at least 48 h between the first two exposures;
• do not sunbathe and use the appliance on the same day;
• follow the recommendations concerning exposure durations, exposure intervals and
distances from the lamp;
• seek medical advice if persistent lumps or sores appear on the skin or if there are
changes in pigmented moles;
• protect sensitive skin parts such as scars, tattoos and genitals from exposure.
For fluorescent UV lamps for tanning, it shall be stated that they are only to be replaced by
types marked with an equivalency code, the UV component of which falls within the UV
component equivalency code range that is marked on the appliance. In this case, an example
of the equivalency code shall be given and the UV component aspect of the fluorescent UV
lamp for tanning equivalency code shall be explained.
For appliances, other than those complying with the tests of 19.2 and 19.3, having a lid that has
to be opened in normal use, the instructions shall include a warning that the appliance must not
be switched on with the lid in the closed position and that, before closing the lid for storage, the
appliance must be disconnected from the supply and allowed to cool down.
For appliances having parts that are intended to support a person, the instructions shall include
the substance of the following:
This appliance shall not be used by persons exceeding the maximum load of xxx kg. (The
value of xxx shall be stated by the manufacturer).
The instructions for appliances incorporating VIS emitters or IR emitters shall include the
following information:
– 14 – IEC 60335-2-27:2024 © IEC 2024
– advice for the protection of the eyes against exposure to visible and infrared radiation and
advise that precautions must be taken to safeguard the user against the dangers of
overexposure;
– information concerning the intended exposure distance (unless this is controlled by the
construction of the appliance);
– recommended schedule of exposure specifying duration and intervals (based on the emitter
characteristics, distances);
– identification of alternative components that can influence the radiation, such as filters and
reflectors;
– identification of replaceable emitters and a statement that they are only to be replaced by
types marked on the appliance;
– instruction to use goggles and an information about the maximum exposure time.
The instructions for appliances incorporating VIS emitters or IR emitters shall include the
substance of the following statements:
– VIS appliances and IR appliances are not to be used by
• persons suffering from sunburn;
• persons under medical care for diseases that involve photosensitivity;
• persons receiving photosensitising medications;
– if unexpected side effects, such as itching, occur within 48 h of the first session of using an
appliance, medical advice should be sought prior to further exposure;
– the appliance must not be used if the timer is faulty or the filter is broken or removed.
If the prohibition pictogram of Figure 101 or symbol IEC 60417-6301 (2015-03) is used, the
meaning shall be explained.
7.12.9 Addition:
In addition, appliances having UV emitters shall be marked on the outside of the appliance with
a QR-Code or similar system providing a direct link to all information on UV appliance use
(manuals, tanning recommendations etc.), as required by this standard (see Clause 7).
7.14 Addition:
The diameter of the prohibition pictogram of Figure 101 shall be at least 10 mm.
The diameter of the UV lamp circle in symbol IEC 60417-6301 (2015-03) shall be at least
20 mm.
Compliance is checked by measurement.
7.15 Addition:
The additional warnings and markings specified in 7.1 shall be visible after the appliance has
been installed and without removal of a cover.
8 Protection against access to live parts
This clause of Part 1 is applicable except as follows.

8.1 Addition:
During replacement of emitters, compliance is checked by the relevant requirements of
IEC 60598-1:2020, Section 8, unless the instructions forbid replacement by the user and tools
are needed to replace the emitters.
8.1.1 Addition:
Test probe 18 is not applied to appliances intended exclusively for use in tanning salons, beauty
parlours and similar premises.
8.1.3 Not applicable.
9 Starting of motor-operated appliances
This clause of Part 1 is not applicable.
10 Power input and current
This clause of Part 1 is applicable except as follows.
10.1 Addition to Table 1:
Type of appliance Rated power input Deviation
W
Appliances having UV emitters only All +10 %

10.2 Addition to Table 2:
Type of appliance Rated current Deviation
A
Appliances having UV emitters only All +10 %

11 Heating
This clause of Part 1 is applicable except as follows.
11.2 Modification:
Replace the first dashed item in the fourth and fifth paragraphs with the following:
– appliances normally placed on a floor or table are placed on the floor of the test corner
with their back as near as possible to one of the walls and away from the other wall.
Addition:
If the direction of the radiation is adjustable, the appliance is adjusted to the most unfavourable
position of normal use.
Appliances having fluorescent lamps shall be fitted with a fluorescent lamp having either a short
mount electrode or long mount electrode, whichever provides the more unf
...