Incandescent lamps - Safety specifications - Part 2: Tungsten halogen lamps for domestic and similar general lighting purposes

IEC 60432-2:1999+A1:2005+A2:2012 specifies the safety and the related interchangeability requirements of tungsten halogen lamps for general lighting service. It covers those tungsten halogen lamps that are used as direct replacements for conventional tungsten filament lamps as well as new tungsten halogen lamps which have no correspondence in IEC 60432-1, but for which the safety and interchangeability requirements are treated by this standard in conjunction with IEC 60432-1. These tungsten halogen lamps have the following characteristics:
- rated wattage up to and including 250 W;
- rated voltage of 50 V to 250 V inclusive;
- caps B15d, B22d, E12, E14, E17, E26, E26d, E26/50x39, E27 or E27/51x39.
This standard shall be used in conjunction with IEC 60432-1. This consolidated version consists of the second edition (1999), its amendment 1 (2005) and its amendment 2 (2012). Therefore, no need to order amendments in addition to this publication.
This publication is to be read in conjunction with IEC 60432-1:1999.

Lampes à incandescence - Prescriptions de sécurité - Partie 2: Lampes tungstène-halogène pour usage domestique et éclairage général similaire

La CEI 60432-2:1999+A1:2005+A2:2012 spécifie les exigences de sécurité et les exigences d'interchangeabilité correspondantes relatives aux lampes tungstène-halogène pour éclairage général. Elle couvre les lampes tungstène-halogène qui sont utilisées pour le remplacement direct des lampes à filament de tungstène traditionnelles aussi bien que les lampes tungstène-halogène nouvelles qui n'ont pas de correspondance dans la CEI 60432-1, mais pour lesquelles les exigences de sécurité et d'interchangeabilité sont traitées par la présente norme conjointement avec la CEI 60432-1. Ces lampes tungstène-halogène présentent les caractéristiques suivantes:
- puissance assignée jusqu'à 250 W inclus;
- tension assignée de 50 V à 250 V inclus;
- culots B15d, B22d, E12, E14, E17, E26, E26d, E26/50x39, E27 ou E27/51x39.
Cette norme doit être lue conjointement avec la CEI 60432-1.  Cette version consolidée comprend la deuxième édition (1999), son amendement 1 (2005) et son amendement 2 (2012). Il n'est donc pas nécessaire de commander les amendements avec cette publication.
Cette publication doit être lue conjointement avec la .>

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IEC 60432-2
Edition 2.2 2012-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Incandescent lamps – Safety specifications –
Part 2: Tungsten halogen lamps for domestic and similar general lighting
purposes
Lampes à incandescence – Prescriptions de sécurité –
Partie 2: Lampes tungstène-halogène pour usage domestique et éclairage
général similaire
IEC 60432-2:1999+A1:2005+A2:2012
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60432-2
Edition 2.2 2012-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Incandescent lamps – Safety specifications –
Part 2: Tungsten halogen lamps for domestic and similar general lighting
purposes
Lampes à incandescence – Prescriptions de sécurité –
Partie 2: Lampes tungstène-halogène pour usage domestique et éclairage
général similaire
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX CE
ICS 29.140.20 ISBN 978-2-88912-051-2

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 – 60432-2 © IEC:1999+A1:2005+A2:2012
CONTENTS

FOREWORD ........................................................................................................................... 3

1 General ............................................................................................................................ 5

1.1 Scope ...................................................................................................................... 5

1.2 Normative references .............................................................................................. 5

1.3 Definitions ............................................................................................................... 6

2 Requirements ................................................................................................................... 6

2.1 General ................................................................................................................... 6

2.2 Marking ................................................................................................................... 6

2.3 Protection against accidental contact in screw lampholders ...................................... 6

2.4 Lamp cap temperature rise (∆t ) .............................................................................. 7

2.5 Resistance to torque ................................................................................................ 7

2.6 Insulation resistance of B15d, B22d, E26/50×39 and E27/51×39 capped lamps

and other lamps having insulated skirts .................................................................... 8

2.7 Accidentally live parts .............................................................................................. 8

2.8 Creepage distance for B15d and B22d capped lamps ............................................... 8

2.9 Safety at end of life .................................................................................................. 8

2.10 Interchangeability .................................................................................................... 8

2.11 Photobiological safety .............................................................................................. 8

2.12 Information for luminaire design ............................................................................... 8

3 Assessment ...................................................................................................................... 8

Annex A (normative) Alternative induced failure test ............................................................. 10

Annex B (normative) Symbols .............................................................................................. 11

Annex C (informative) Information for luminaire design ......................................................... 12

Annex D (informative) Bibliography ....................................................................................... 13

Table 1 – Maximum allowable cap temperature rise (∆t ) ......................................................... 7

Table 2 – Grouping of test records, sampling and acceptable quality levels (AQL)

for general lighting tungsten halogen lamps ............................................................................. 9

Table C.1 – Maximum cap temperatures ............................................................................... 12

---------------------- Page: 4 ----------------------
60432-2 © IEC:1999+A1:2005+A2:2012 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INCANDESCENT LAMPS –
SAFETY SPECIFICATIONS –
Part 2: Tungsten halogen lamps for domestic
and similar general lighting purposes
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

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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

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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

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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) 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 60432-2 has been prepared by subcommittee 34A: Lamps, of IEC

technical committee 34: Lamps and related equipment.
This standard shall be used in conjunction with IEC 60432-1.

This consolidated version of IEC 60432-2 consists of the second edition (1999) [documents

34A/884/FDIS and 34A/898/RVD], its amendment 1 (2005) [documents 34A/1119/FDIS and

34A/1128/RVD] and its amendment 2 (2012) [documents 34A/1533/FDIS and 34A/1560/RVD].

The technical content is therefore identical to the base edition and its amendments and has

been prepared for user convenience.
It bears the edition number 2.2.
---------------------- Page: 5 ----------------------
– 4 – 60432-2 © IEC:1999+A1:2005+A2:2012

A vertical line in the margin shows where the base publication has been modified by

amendments 1 and 2.
Annexes A and B form an integral part of this standard.
Annexes C and D are for information only.

The committee has decided that the contents of the base publication and its amendments will

remain unchanged until the stability date indicated on the IEC web site 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.
---------------------- Page: 6 ----------------------
60432-2 © IEC:1999+A1:2005+A2:2012 – 5 –
INCANDESCENT LAMPS –
SAFETY SPECIFICATIONS –
Part 2: Tungsten halogen lamps for domestic
and similar general lighting purposes
1 General
This standard shall be used in conjunction with IEC 60432-1.
1.1 Scope

This part of IEC 60432 specifies the safety and the related interchangeability requirements of

tungsten halogen lamps for general lighting service. It covers those tungsten halogen lamps

that are used as direct replacements for conventional tungsten filament lamps as well as new

tungsten halogen lamps which have no correspondence in IEC 60432-1, but for which the

safety and interchangeability requirements are treated by this standard in conjunction with IEC

60432-1. These tungsten halogen lamps have the following characteristics:
– rated wattage up to and including 250 W;
– rated voltage of 50 V to 250 V inclusive;
– caps B15d, B22d, E12, E14, E17, E26, E26d, E26/50x39, E27 or E27/51x39.

Lamps complying with this standard are self-shielded, but need not be marked with a special

symbol. As they are direct replacements for conventional tungsten filament lamps, there will

be no corresponding luminaire marking.

NOTE 1 There is no implication that a tungsten halogen lamp used as a substitute for an incandescent tungsten

filament lamp would use the same bulb shape as the original incandescent lamp.

NOTE 2 There are two variations of E26 caps which are not fully compatible: E26/24 caps used in North America

and E26/25 caps used in Japan.

NOTE 3 Self-shielded lamps are lamps for which the luminaire needs no protective shield.

This part of IEC 60432 covers photobiological safety according to IEC 62471 and

IEC/TR 62471-2. Lamps covered by this part of IEC 60432 do not reach risk levels that require

risk group marking.
1.2 Normative references

The following referenced documents are indispensable for the application 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 60050(845), International Electrotechnical Vocabulary (IEV) – Chapter 845: Lighting

IEC 60410, Sampling plans and procedures for inspection by attributes

IEC 60432-1, Incandescent lamps – Safety specifications – Part 1: Tungsten filament lamps for

domestic and similar general lighting purposes
IEC 62471:2006, Photobiological safety of lamps and lamp systems

IEC/TR 62471-2, Photobiological safety of lamps and lamp systems – Part 2: Guidance on

manufacturing requirements relating to non-laser optical radiation safety
---------------------- Page: 7 ----------------------
– 6 – 60432-2 © IEC:1999+A1:2005+A2:2012
1.3 Definitions

For the purpose of this part of IEC 60432, the definitions of IEC 60432-1 apply. In addition, the

following definitions apply.
1.3.1
specific effective radiant UV power
effective power of the UV radiation of a lamp related to its luminous flux
Unit: mW/klm

For a reflector lamp, this is the effective irradiance of the UV radiation related to the

illuminance
Unit: mW/(m ·klx)

NOTE The effective power of the UV radiation is obtained by weighting the spectral power distribution of the lamp

with the UV hazard function SUV(λ). Information about the relevant UV hazard function is given in CIE S 009:2002,

Photobiological safety of lamps and lamp systems. It only relates to possible hazards regarding UV exposure of

human beings. It does not deal with the possible influence of optical radiation on materials, such as mechanical

damage or discoloration.
1.3.2
outer envelope

transparent or translucent enclosure containing an inner tungsten halogen light source

1.3.3
general lighting tungsten halogen lamp

tungsten halogen lamp for which the safety and interchangeability are covered by this standard

in conjunction with IEC 60432-1
1.3.4
tungsten halogen lamp

gas-filled lamp containing halogens or halogen compounds, the filament being of tungsten

[IEV 845-07-10]
2 Requirements
2.1 General
The requirements of IEC 60432-1 apply.
2.2 Marking
The requirements of IEC 60432-1 apply.

The lamp manufacturer shall provide a cautionary notice, or suitable graphical symbol (an

example is shown in annex B), if safety hazards exist when an outer envelope is broken.

2.3 Protection against accidental contact in screw lampholders
The requirements of IEC 60432-1 apply.
---------------------- Page: 8 ----------------------
60432-2 © IEC:1999+A1:2005+A2:2012 – 7 –
2.4 Lamp cap temperature rise (∆t )

The requirements of IEC 60432-1 apply. In order to maintain thermal interchangeability in

existing luminaires, the ∆t value of a general lighting tungsten halogen lamp shall not exceed

the value, specified in Table 2 of IEC 60432-1, of the lamp for which it is substituted.

For PAR-shaped lamps with unskirted caps intended to be substitutes for R-shaped lamps, the

values of group 7 in Table 2 of IEC 60432-1 apply.

For PAR-shaped lamps with unskirted caps not intended to substitute for R-shaped lamps, the

values of Table 1 apply.

For BT-shaped lamps that are intended as substitutes for A-shaped lamps, the values of group

1 in Table 2 of IEC 60432-1 apply.

Table 1 below, contains additional requirements for lamps not having a corresponding type in

Table 2 of IEC 60432-1.
Table 1 – Maximum allowable cap temperature rise (∆t )
Additions to IEC 60432-1, Table 2, for general lighting tungsten halogen lamps
Group Wattage Bulb shape Δt max.
number
W K
B15d B22d E12 E14 E17 E26/24 E26/25 E27
1 250 T-shape and - 165 - - - - - -
other shapes
intended for use
in same luminaire
2 100 T-shape and 145 - - 140 - - - -
other shapes
intended for use
in same luminaire
1) 3)
8 250 PAR shapes - - - - - - -
10 75 T-shape without 145 - - - - - - -
outer envelope
100 150 - - - - - - -
150 165 - - - - - - -
250 165 - - - - - - -
11 100 PAR shapes with - - - - - 145 - -
unskirted caps
not intended as
substitutes for R
shapes
Lamps with skirted caps: E26/50x39, E27/51x39, etc.
Groups 10 and 11 are new groups.
Under consideration.
2.5 Resistance to torque

The requirements of IEC 60432-1 apply. The heating test shall be conducted at the relevant

values of IEC 60432-1, table K.1, or table C.1 of this standard.
---------------------- Page: 9 ----------------------
– 8 – 60432-2 © IEC:1999+A1:2005+A2:2012

2.6 Insulation resistance of B15d, B22d, E26/50×39 and E27/51×39 capped lamps and

other lamps having insulated skirts
The requirements of IEC 60432-1 apply.
2.7 Accidentally live parts
The requirements of IEC 60432-1 apply.
2.8 Creepage distance for B15d and B22d capped lamps
The requirements of IEC 60432-1 apply.
2.9 Safety at end of life

The requirements of IEC 60432-1 apply, except that the induced failure test shall be replaced

by an alternative induced failure test in accordance with annex A of this standard.

NOTE The alternative induced failure test is also suitable for lamps with rated voltages below 100 V.

2.10 Interchangeability
The requirements of IEC 60432-1 apply.
2.11 Photobiological safety
The specific effective radiant UV power of a lamp shall not exceed:
– 2 mW/klm or,
– for reflector lamps 2 mW/(m ·klx).

Compliance is checked by measurement of the spectral power distribution and subsequent

calculation of the specific effective radiant UV power.
For blue light hazard and IR radiation, there are no requirements.

NOTE The lamps within the scope of this standard are general lighting service (GLS) lamps according to the

definition in IEC 62471:2006, 3.11. Assessed as such, they will not reach risk levels for blue light hazard and

infrared radiation hazards that require risk group marking.
2.12 Information for luminaire design
See annex C.
3 Assessment
The requirements of IEC 60432-1 apply, modified as follows:
Table 2 replaces table 6 of IEC 60432-1.

In presenting the test results, the manufacturer may combine results for different lamp classes

according to column 4 of table 6 of IEC 60432-1 and table 2 of the present standard, provided

that the requirements are common.
Sampling in line with H.2.3 of IEC 60432-1 is not applicable.
---------------------- Page: 10 ----------------------
60432-2 © IEC:1999+A1:2005+A2:2012 – 9 –
Table 2 – Grouping of test records, sampling and acceptable quality levels (AQL)
for general lighting tungsten halogen lamps
1 2 3 4 5 6
Subclause number Tests per Type of Grouping of test Minimum AQL
of this standard IEC 60432-1 test records between lamp annual
classes sample per
grouping
2.2 Marking legibility Running All classes with same 200 2,5
method of marking
Marking durability Running All classes with same 32 2,5
method of marking
2.2 Presence of required Running All classes with same 32 2,5
symbol method of marking
2.3 Accidental contact Running All lamps tested with 32 1,5
their appropriate gauge
2.4 Cap temperature rise Design Lamps by class 5 at any
or design change
periodic 20
2.5 Resistance to torque
Unused lamps
a) test by attributes Running All lamps with the same 80 0,65
according to C.1.4a) cement and the same
cap
b) test by variables Running All lamps with the same 25 0,65
according to C.1.4b) cement and the same
cap
2.5 After heating
a) test by attributes Periodic All lamps with the same 80 0,65
according to C.2.3a) cement and the same
cap
4) 5)
b) test by variables Periodic All lamps with the same 20 0,65
according to C.2.3b) cement and the same
cap
2.6 Insulation resistance Running All classes with B15d, 315 0,4
B22d, E26/50x39 and
E27/51x39 cap
2.7 Accidentally live parts 100 % – – –
inspection
2.8 Creepage distance Design a) All lamps with B15d 5 or 10 at
caps design
change
b) All lamps with B22d 5 or 10 at
caps design
change
2.9 Safety at end of life
Alternative induced Design See clause H.1 clause H.2 According to
failure compliance
conditions of
clause H.4
Operation-to-failure Periodic All lamps of all classes 315 0,25
2.10 Interchangeability Periodic All classes with the 32 2,5
same cap
2.11 UV radiation Design All lamps having the 5 –
same outer envelope or
bulb
The clause and annex numbers in columns 2, 4, 5 and 6 refer to IEC 60432-1.

Use of this term is indicated in IEC 60410, where operating characteristics can be found.

See 3.3.3 of IEC 60432-1.
Assessed in accordance with annex G of IEC 60432-1.
For lamps with uncemented caps, this shall be a design test.
See 3.3.4 of IEC 60432-1.
---------------------- Page: 11 ----------------------
– 10 – 60432-2 © IEC:1999+A1:2005+A2:2012
Annex A
(normative)
Alternative induced failure test
A.1 Test circuit and equipment

The requirements of clauses D.1 and D.2 of IEC 60432-1 apply, except that instead of a pulse

generator a laser of adequate power shall be used to induce burn-out of the filament.

NOTE An example of a suitable laser is a neodymium-glass laser.
A.2 Test procedure

The lamp to be tested shall be inserted in the lampholder and the safety cover put in place.

Through a small hole in the cover, the laser beam shall be aligned and focused on the lamp

filament.

The lamp shall be switched on, applying rated voltage only. After complete warm-up of the

lamp, a laser pulse shall be applied.

If the lamp remains alight, the output power of the laser shall be increased and the laser pulse

shall be applied again. This procedure shall be repeated until burn-out of the filament is

achieved.

NOTE If the focusing of the laser beam is disturbed by the finish of the lamp or the structure of the outer

envelope, specially prepared samples should be used.
A.3 Inspection and assessment
After the test, each test lamp is examined. If:
a) the bulb is no longer intact;
b) or the bulb is detached from the cap;

c) or, for bayonet caps only, there is a short circuit between either contact and the shell,

then the lamp is deemed to have failed the test and is counted as a non-conformity.

---------------------- Page: 12 ----------------------
60432-2 © IEC:1999+A1:2005+A2:2012 – 11 –
Annex B
(normative)
Symbols

The height of graphical symbols shall be not less than 5 mm, and for letters, not less than

2 mm.
The cautionary notice regarding broken outer enveloppe is the following:
IEC 364/05
NOTE 1 The cap and bulb may be varied to show the shape of the lamp.

NOTE 2 The above cross may be varied if this improves the readability of the information.

---------------------- Page: 13 ----------------------
– 12 – 60432-2 © IEC:1999+A1:2005+A2:2012
Annex C
(informative)
Information for luminaire design
C.1 General
The information given in IEC 60432-1 applies.
C.2 Maximum cap temperature

Table C.1 contains additional information for lamps not having a corresponding type in

table K.1 of IEC 60432-1.
Table C.1 – Maximum cap temperatures
Cap type Wattage Temperature
B15d 75, 100 210
150, 250 250
B22d 250 250
E14 100 210
E26/24 100 210
E26/50x39 250 250
E27 250 250
C.3 Protection from water contact

All lamps within the scope of this standard should be protected from direct water contact, e.g.

drips, splashing, etc., by the luminaire if rated at IPX1 or higher.

NOTE The X in the IP number indicates a missing numeral but both of the appropriate numerals are marked on

the luminaire.
C.4 Photobiological safety

It is expected that the luminaires using lamps covered by this part of IEC 60432 will not require

further assessment for photobiological safety.
---------------------- Page: 14 ----------------------
60432-2 © IEC:1999+A1:2005+A2:2012 – 13 –
Annex D
(informative)
Bibliography

[1] ACGIH: “Threshold limit values and biological exposure indices”, American Conference

of Governmental Industrial Hygienists, Cincinnati, Ohio, USA.

[2] IRPA/INIRC: “Guidelines on limits of exposure to ultraviolet radiation of wavelengths

between 180 nm and 400 nm”, Health Physics, Vol. 49, pp 331-340, 1985.

[3] IRPA/INIRC: “Proposed changes to the IRPA 1985 guidelines on limits of exposure to

ultraviolet radiation”, Health Physics, Vol. 56, pp 971-972, 1989.
CIE S 009/E:2002, Photobiological safety of lamps and lamp systems

NOTE INIRC: International Non-Ionizing Radiation Committee; IRPA: International Radiation Protection

Association.
___________
---------------------- Page: 15 ----------------------
– 14 – 60432-2 © CEI:1999+A1:2005+A2:2012
SOMMAIRE

AVANT-PROPOS .................................................................................................................. 15

1 Généralités ..................................................................................................................... 17

1.1 Domaine d’application ............................................................................................ 17

1.2 Références normatives .......................................................................................... 17

1.3 Définitions ............................................................................................................. 18

2 Prescriptions .................................................................................................................. 18

2.1 Généralités ............................................................................................................ 18

2.2 Marquage .............................................................................................................. 18

2.3 Protection contre les contacts accidentels dans les douilles à vis ........................... 18

2.4 Echauffement du culot de lam
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