Household and similar electrical appliances - Safety - Part 2-14: Particular requirements for kitchen machines

IEC 60335-2-14:2016 is available as IEC 60335-2-14:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60335-2-14:2016 deals with the safety of electric kitchen machines for household and similar purposes, their rated voltage being not more than 250 V. See the scope of 60335-2-14 for a list of appliances that are within the scope of this standard. Appliances intended for normal household and similar use and that may also be used by laymen in shops, in light industry and on farms, are within the scope of this standard. However, if the appliance is intended to be used professionally to process food for commercial consumption, the appliance is not considered to be for household and similar use only. As far as is practicable, this standard deals with the common hazards presented by appliances which are encountered by all persons in and around the 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. This standard does not apply to
- slicing machines having a circular knife the blade of which is inclined at an angle exceeding 45° to the vertical;
- food waste disposers;
- ice-cream appliances with incorporated motor compressors kitchen machines intended for commercial purposes;
- kitchen machines intended for industrial purposes;
- kitchen machines 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 sixth edition cancels and replaces the fifth edition published in 2006 including its Amendment 1 (2008) and its Amendment 2 (2012). This edition constitutes a technical revision. The principal changes in this edition as compared with the fifth edition of IEC 60335-2-14 are as follows (minor changes are not listed):
- requirements for noodle makers with a mixing function have been introduced (3.1.9.116, 11.7.118, 19.103);
- requirements for appliances having a feed screw or auger have been changed (20.106);
- the definition of normal operation has been changed (3.1.9);
- the method of carrying out the heating test has been changed (11.7);
- the requirement in 20.114 has been modified to align with the test specification;
- some notes in Subclauses 5.2, 11.7.107, 11.7.110, 11.7.116, 20.103, 20.107, 20.108, 20.117, 20.119, 25.14, and Annex AA were converted to normative text. This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its amendments. It was established on the basis of the fifth edition (2010) of that standard. The attention of National Committees is drawn to the fact that equipment manufacturers and testing organizations may 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 its publication.
Key words: Appliances, Kitchen machines

Appareils électrodomestiques et analogues - Sécurité - Partie 2-14: Exigences particulières pour les machines de cuisine

IEC 60335-2-14:2016 traite de la sécurité des machines de cuisine électriques, pour usages domestiques et analogues, dont la tension assignée n'excède pas 250 V. Voir le domaine d'application de la 60335-2-14 pour une liste des appareils qui entrent dans le champ d'application de cette norme. Les appareils destinés à un usage domestique normal et analogue et qui peuvent être également utilisés par des usagers non avertis dans des magasins, chez des artisans et dans des fermes sont compris dans le domaine d'application de la présente norme. Toutefois, si un appareil est destiné à être utilisé par des professionnels pour la préparation d'aliments à des fins commerciales, cet appareil n'est pas considéré comme étant uniquement à usage domestique et analogue. Dans la mesure du possible, la présente norme traite des dangers ordinaires présentés par les appareils, encourus par tous les individus à l'intérieur et autour de leur habitation. Cependant, cette norme ne tient pas compte en general des personnes (y compris des enfants) don't 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 utilisant l'appareil comme un jouet.
La présente norme ne s'applique pas
- aux machines à trancher munis d'un couteau circulaire dont la lame est inclinée à un angle dépassant 45° par rapport à la verticale;
- aux broyeurs de déchets (IEC 60335-2-16); aux sorbetières avec moto-compresseur incorporé (IEC 60335-2-24);
- aux machines de cuisine électriques à usage commercial (IEC 60335-2-64);
- aux machines de cuisine électriques à usage industriel;
- aux machines de cuisine électriques destinées à être utilisées dans des locaux présentant des conditions particulières, comme la présence d'une atmosphère corrosive ou explosive (poussières, vapeurs ou gaz).
Cette sixième édition annule et remplace la cinquième édition publiée en 2006, son Amendement 1 (2008) et son Amendement 2 (2012). Cette édition constitue une révision technique. Par rapport à la cinquième édition de l'IEC 60335 2 14, les modifications majeures indiquées ci-après ont été apportées dans la présente édition (les modifications mineures ne sont pas mentionnées):
- des exigences relatives aux appareils pour faire des nouilles possédant une fonction de mélange ont été introduites (3.1.9.116, 11.7.118, 19.103);
- les exigences relatives aux appareils comportant une vis d'approvisionnement ou une vis sans fin ont été modifiées (20.106);
- la définition du fonctionnement normal a été modifiée (3.1.9);
- la méthode de réalisation de l'essai d'échauffement a été modifiée (11.7);
- l'exigence en 20.114 a été modifiée pour s'aligner sur la spécification d'essai;
- certaines notes des Paragraphes 5.2, 11.7.107, 11.7.110, 11.7.116, 20.103, 20.107, 20.108, 20.117, 20.119, 25.14 et de l'Annexe AA ont été converties en texte normatif. La présente partie 2 doit être utilisée conjointement avec la dernière édition de l'IEC 60335-1 et ses amendements. Elle a été établie sur la base de la cinquième édition (2010) de cette norme.
L'attention des Comités Nationaux est attirée sur le fait que les fabricants d'appareils et les organismes d'essai peuvent avoir besoin d'une période de transition après la publication d'une nouvelle publication IEC, ou d'une publication amendée ou révisée, pour fabriquer des produits conformes aux nouvelles exigences et pour adapter leurs équipements aux nouveaux essais ou aux essais révisés. Le comité recommande que le contenu de cette publication soit entériné au niveau national au plus tôt 12 mois et au plus tard 36 mois après la date de publication.
Mots-clés: appareils, machines de cuisine

General Information

Status
Published
Publication Date
23-Jun-2016
Current Stage
PPUB - Publication issued
Completion Date
24-Jun-2016
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IEC 60335-2-14
Edition 6.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-14: Particular requirements for kitchen machines
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-14: Exigences particulières pour les machines de cuisine
IEC 60335-2-14:2016-06(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60335-2-14
Edition 6.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-14: Particular requirements for kitchen machines
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-14: Exigences particulières pour les machines de cuisine
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.120; 97.040.50 ISBN 978-2-8322-3404-4

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60335-2-14:2016 © IEC 2016
CONTENTS

FOREWORD ......................................................................................................................... 4

INTRODUCTION ................................................................................................................... 7

1 Scope ............................................................................................................................ 8

2 Normative references..................................................................................................... 9

3 Terms and definitions .................................................................................................... 9

4 General requirement .................................................................................................... 12

5 General conditions for the tests .................................................................................... 13

6 Classification ............................................................................................................... 13

7 Marking and instructions .............................................................................................. 13

8 Protection against access to live parts ......................................................................... 14

9 Starting of motor-operated appliances .......................................................................... 14

10 Power input and current ............................................................................................... 14

11 Heating ....................................................................................................................... 15

12 Void ............................................................................................................................ 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 ........................................................................... 18

17 Overload protection of transformers and associated circuits .......................................... 18

18 Endurance ................................................................................................................... 18

19 Abnormal operation ..................................................................................................... 18

20 Stability and mechanical hazards ................................................................................. 20

21 Mechanical strength ..................................................................................................... 26

22 Construction ................................................................................................................ 26

23 Internal wiring .............................................................................................................. 27

24 Components ................................................................................................................ 27

25 Supply connection and external flexible cords .............................................................. 27

26 Terminals for external conductors ................................................................................ 28

27 Provision for earthing ................................................................................................... 28

28 Screws and connections .............................................................................................. 28

29 Clearances, creepage distances and solid insulation .................................................... 28

30 Resistance to heat and fire .......................................................................................... 29

31 Resistance to rusting ................................................................................................... 29

32 Radiation, toxicity and similar hazards ......................................................................... 29

Annexes ............................................................................................................................. 33

Annex C (normative) Ageing test on motors ........................................................................ 33

Annex R (normative) Software evaluation .......................................................................... 34

Annex AA (normative) Tests on sieves of centrifugal juicers ............................................... 35

Bibliography ....................................................................................................................... 37

Figure 101 – Slicing machine .............................................................................................. 30

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IEC 60335-2-14:2016 © IEC 2016 – 3 –

Figure 102 – Protecting devices for slicing machines ........................................................... 31

Figure 103 – Schematic representation of the 30 ml spillage test ......................................... 32

---------------------- Page: 5 ----------------------
– 4 – IEC 60335-2-14:2016 © IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –
Part 2-14: Particular requirements for kitchen machines
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

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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

transparently to the maximum extent possible in their national and regional publications. Any divergence

between 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

Publications.

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) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60335-2-14 has been prepared by IEC technical committee 61:

Safety of household and similar electrical appliances.

This sixth edition cancels and replaces the fifth edition published in 2006, its Amendment 1

(2008) and its Amendment 2 (2012). This edition constitutes a technical revision.

The principal changes in this edition as compared with the fifth edition of IEC 60335-2-14 are

as follows (minor changes are not listed):

• requirements for noodle makers with a mixing function have been introduced (3.1.9.116,

11.7.118, 19.103);

• requirements for appliances having a feed screw or auger have been changed (20.106);

• the definition of normal operation has been changed (3.1.9);
• the method of carrying out the heating test has been changed (11.7);

• the requirement in 20.114 has been modified to align with the test specification;

---------------------- Page: 6 ----------------------
IEC 60335-2-14:2016 © IEC 2016 – 5 –

• some notes in Subclauses 5.2, 11.7.107, 11.7.110, 11.7.116, 20.103, 20.107, 20.108,

20.117, 20.119, 25.14, and Annex AA were converted to normative text.
The text of this standard is based on the following documents:
FDIS Report on voting
61/5136/FDIS 61/5172/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its

amendments. It was established on the basis of the fifth edition (2010) 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: Safety requirements for electric kitchen

machines.

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.

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing

organizations may 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.

---------------------- Page: 7 ----------------------
– 6 – IEC 60335-2-14:2016 © IEC 2016
The following differences exist in the countries indicated below.
– 3.1.9: Different loads are used (USA).
– 11.7: The operating times are different (USA).

– 19.7: The test is applicable to all appliances and the tests of 19.101 and 19.102 are not

applicable (USA).
– Clause 20: Many of the tests are different (USA).
– 22.103: The test is not conducted (USA).
– 22.104: The specified probe is not applied to knife sharpeners (USA).
– 24.1.3: Switches are required to have 6000 cycles of operation (USA).
– 25.5: Type Z attachment is allowed for all appliances (USA).
– 25.14: The test is not conducted (USA).
---------------------- Page: 8 ----------------------
IEC 60335-2-14:2016 © IEC 2016 – 7 –
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.

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 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 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.
---------------------- Page: 9 ----------------------
– 8 – IEC 60335-2-14:2016 © IEC 2016
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY –
Part 2-14: Particular requirements for kitchen machines
1 Scope
This clause of Part 1 is replaced by the following.

This part of IEC 60335 deals with the safety of electric kitchen machines for household and

similar purposes, their rated voltage being not more than 250 V.
NOTE 101 Examples of appliances that are within the scope of this standard are
– bean slicers;
– berry-juice extractors;
– blenders;
– can openers;
– centrifugal juicers;
– churns;
– citrus-fruit squeezers;
– coffee mills not exceeding 500 g hopper capacity;
– cream whippers;
– egg beaters;
– food mixers;
– food processors;
– grain grinders not exceeding 3 l hopper capacity;
– graters;
– ice-cream machines, including those for use in refrigerators and freezers;
– knife sharpeners;
– knives;
– mincers;
– noodle makers;
– potato peelers;
– shredders;
– sieving machines;
– slicing machines.

Appliances intended for normal household and similar use and that may also be used by

laymen in shops, in light industry and on farms, are within the scope of this standard.

However, if the appliance is intended to be used professionally to process food for

commercial consumption, the appliance is not considered to be for household and similar use

only.

NOTE 102 Use of a kitchen machine in bed and breakfast premises, for example, is considered to be household

use.

As far as is practicable, this standard deals with the common hazards presented by

appliances which are encountered by all persons in and around the home. However, in

general, it does not take into account
– persons (including children) whose
• physical, sensory or mental capabilities; or
---------------------- Page: 10 ----------------------
IEC 60335-2-14:2016 © IEC 2016 – 9 –
• lack of experience and knowledge

prevents them from using the appliance safely without supervision or instruction;

– children playing with the appliance.
NOTE 103 Attention is drawn to the fact that

– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may 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.
NOTE 104 This standard does not apply to

– slicing machines having a circular knife the blade of which is inclined at an angle exceeding 45° to the vertical;

– food waste disposers (IEC 60335-2-16);
– ice-cream appliances with incorporated motor compressors (IEC 60335-2-24);
– kitchen machines intended for commercial purposes (IEC 60335-2-64);
– kitchen machines intended for industrial purposes;

– kitchen machines 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 60811-504:2012, Electric and optical fibre cables – Test methods for non-metallic

materials – Part 504: Mechanical tests – Bending tests at low temperature for insulation and

sheaths

IEC 60811-505:2012, Electric and optical fibre cables – Test methods for non-metallic

materials – Part 505: Mechanical tests – Elongation at low temperature for insulations and

sheaths
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1.9 Replacement:
normal operation

operation of the appliance under the conditions specified in 3.1.9.101 to 3.1.9.119 followed by

operation with the most unfavourable load indicated in the instructions. If the conditions are

not specified, the appliance is operated with the most unfavourable load indicated in the

instructions

3.1.9.101 Berry-juice extractors are fed with 1 kg of berries, such as currants, gooseberries

or grapes. Pushers are pressed with a force of 5 N against the berries.

3.1.9.102 Food blenders are operated with the bowl filled to its maximum indicated level

with a mixture comprising two parts by mass of soaked carrots and three parts water. If this

level is not indicated, the bowl is filled to two-thirds of its total capacity. The carrots are

soaked in water for 24 h and cut so that the dimensions of the pieces do not exceed 15 mm. If

the bowl is not provided, a cylindrical bowl is used which has a capacity of approximately 1 l

and an inner diameter of approximately 110 mm.
Liquid blenders are operated with water instead of the mixture.
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– 10 – IEC 60335-2-14:2016 © IEC 2016

3.1.9.103 Can openers are operated with cans of tinned steel having a diameter of

approximately 100 mm.
3.1.9.104 Juicers are operated with carrots that have been soaked in water for

approximately 24 h. 5 kg of soaked carrots are gradually fed into juicers having separate

outlets for the juice and residue. Other juicers are fed with batches of 0,5 kg of carrots, unless

otherwise indicated in the instructions. Pushers are pressed with a force of 5 N against the

carrots.
3.1.9.105 Cheese graters are operated with a 250 g piece of hard Parmesan cheese

selected from a block of cheese about 16 months old and which has at least one plane

surface. A force of 10 N is applied to the cheese unless the force is applied automatically.

3.1.9.106 Churns are filled with a mixture of eight parts by mass of heavy cream and one

part of buttermilk. The quantity of the mixture is the maximum that allows the churn to operate

without spillage.

3.1.9.107 Citrus-fruit squeezers are operated with orange halves pressed against the reamer

with a force of 50 N.

3.1.9.108 Coffee mills having a separate container for collecting the ground coffee are

operated with the hopper filled with roasted coffee beans.

Other coffee mills are operated with the hopper filled with the maximum quantity of roasted

coffee beans stated in the instructions.

Note 1 to entry: If necessary, the coffee beans are conditioned for 24 h at a temperature of 30 °C ± 2 °C and a

relative humidity of 60 % ± 2 %.
Controls are set to the position resulting in the smallest grain size.

3.1.9.109 Cream whippers and egg beaters are operated in water with 80 % of the length of

the effective part immersed in a bowl of water.

3.1.9.110 Food mixers with beaters for mixing cake batter are operated with the beater

blades as close as possible to the bottom of a bowl containing dry sand having a grain size

between 170 µm and 250 µm. The height of the sand in the bowl is approximately 80 % of the

length of the effective part of the beater.

Food mixers with kneaders for mixing yeast dough are operated with the kneaders in a bowl

filled with a mixture of flour and water.

Note 1 to entry: The flour has a protein content of 10 % ± 1 %, based on a negligible water content of the flour

and without che
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