Self-ballasted fluorescent lamps for general lighting services - Safety requirements

IEC 60968:2015 specifies the safety and interchangeability requirements, together with the test methods and conditions required to show compliance of tubular fluorescent lamps with integrated means for controlling starting and stable operation (self-ballasted fluorescent lamps). This third edition cancels and replaces the second edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition, where additions have been made to the following:
a) caps and prevention of cap misuse;
b) interchangeability;
c) mechanical and electrical strength;
d) creepage distances and clearances;
e) end of lamp life precaution;
f) abnormal operation;
g) test conditions for dimmable and three-way lamps;
h) water contact related marking;
i) verification, and assessment;
j) information for luminaire design in the form of annexes.
The contents of the corrigendum of March 2015 have been included in this copy.

Lampes à fluorescence à ballast intégré pour l'éclairage général - Règles de sécurité

L'IEC 60968:2015 spécifie les exigences de sécurité et d'interchangeabilité ainsi que les méthodes et les conditions d'essais exigés pour démontrer la conformité des lampes tubulaires à fluorescence à dispositif intégré d'amorçage et de stabilisation du fonctionnement (lampes à fluorescence à ballast intégré). Cette troisième édition annule et remplace la deuxième édition, parue en 2012. Cette édition constitue une révision technique. La présente édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente, avec des ajouts concernant:
a) les culots et la prévention de la mauvaise utilisation des culots;
b) l'interchangeabilité;
c) l'endurance mécanique et électrique;
d) les lignes de fuite et distances d'isolement;
e) les précautions sur la fin de la durée de vie des lampes;
f) le fonctionnement anormal;
g) les conditions d'essai pour les lampes à variation d'intensité et à trois intensités;
h) le marquage relatif au contact avec l'eau;
i) la vérification et évaluation;
j) les informations pour la conception du luminaire sous forme d'annexes.
Le contenu du corrigendum de mars 2015 a été pris en considération dans cet exemplaire.

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Status
Published
Publication Date
04-Feb-2015
Current Stage
PPUB - Publication issued
Start Date
05-Feb-2015
Completion Date
05-Feb-2015
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IEC 60968
Edition 3.0 2015-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Self-ballasted fluorescent lamps for general lighting services – Safety
requirements
Lampes à fluorescence à ballast intégré pour l'éclairage général – Règles
de sécurité
IEC 60968:2015-02(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60968
Edition 3.0 2015-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Self-ballasted fluorescent lamps for general lighting services – Safety
requirements
Lampes à fluorescence à ballast intégré pour l'éclairage général – Règles
de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.30 ISBN 978-2-8322-2244-7

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 60968:2015 © IEC 2015
CONTENTS

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

1 Scope ............................................................................................................................ 6

2 Normative references..................................................................................................... 6

3 Terms and definitions .................................................................................................... 7

4 General requirements and general test requirements ...................................................... 8

5 Marking ......................................................................................................................... 8

5.1 Lamp marking ....................................................................................................... 8

5.2 Additional marking ................................................................................................ 8

5.3 Compliance of marking .......................................................................................... 9

5.4 Locations where marking is required (See Table 1) .............................................. 10

6 Interchangeability, mass and bending moment ............................................................. 10

6.1 Interchangeability ................................................................................................ 10

6.2 Bending moment and mass imparted by the lamp at the lampholder ..................... 10

7 Protection against electric shock .................................................................................. 12

8 Insulation resistance and electric strength .................................................................... 13

8.1 General ............................................................................................................... 13

8.2 Insulation resistance ........................................................................................... 13

8.3 Electric strength .................................................................................................. 13

9 Mechanical strength ..................................................................................................... 13

9.1 General ............................................................................................................... 13

9.2 Torsion resistance ............................................................................................... 14

9.2.1 Torsion resistance of unused lamps .............................................................. 14

9.2.2 Torsion resistance of lamps after a defined time of usage ............................. 16

9.3 Axial strength of Edison caps .............................................................................. 16

10 Cap temperature rise ................................................................................................... 17

11 Resistance to heat ....................................................................................................... 18

12 Resistance to flame and ignition................................................................................... 19

13 Fault conditions ........................................................................................................... 20

13.1 General requirements .......................................................................................... 20

13.2 Test conditions .................................................................................................... 20

13.3 Test setup for non-starting lamp .......................................................................... 21

14 Creepage distances and clearances ............................................................................. 21

15 Lamp end of life ........................................................................................................... 21

15.1 General requirements .......................................................................................... 21

15.2 Test setup ........................................................................................................... 21

15.3 Compliance ......................................................................................................... 22

16 Photobiological safety .................................................................................................. 22

16.1 UV radiation ........................................................................................................ 22

16.2 Other photobiological effects ............................................................................... 22

17 Abnormal operation ..................................................................................................... 22

18 Test conditions for dimmable and three-way lamps ....................................................... 23

19 Whole production assessment ...................................................................................... 24

20 Collation of type test verification .................................................................................. 24

21 Information for luminaire design ................................................................................... 25

---------------------- Page: 4 ----------------------
IEC 60968:2015 © IEC 2015 – 3 –

Annex A (informative) Whole production assessment .......................................................... 26

A.1 Assessment – General ........................................................................................ 26

A.2 Whole production assessment by means of the manufacturer’s records ................ 26

Annex B (informative) Information for luminaire design ....................................................... 28

B.1 Water contact ...................................................................................................... 28

Bibliography ....................................................................................................................... 29

Figure 1 – Dimming not allowed ............................................................................................ 9

Figure 2 – Lamp to be used in dry conditions or in a luminaire that provides protection ......... 9

Figure 3 – Sample test arrangement for bending moment imparted by the lamp at the

lampholder ......................................................................................................................... 11

Figure 4 – Standard test finger (according to IEC 60529) ..................................................... 12

Figure 5 – Holder for torsion test on lamps with screw caps ................................................. 15

Figure 6 – Holder for torsion test on lamps with bayonet caps .............................................. 15

Figure 7 – Test equipment for applying an axial force .......................................................... 17

Figure 8 – Ball-pressure apparatus ...................................................................................... 18

Figure 9 – Schematic diagram for non-starting lamp test ...................................................... 21

Figure 10 – Test circuit for testing a non-dimmable lamp at a dimmer or electronic

switch ................................................................................................................................. 23

Table 1 – Locations where marking is required .................................................................... 10

Table 2 – Bending moments and masses ............................................................................. 11

Table 3 – Torsion test values for unused lamps ................................................................... 16

Table 4 – Values for axial force ........................................................................................... 17

Table 5 – Maximum cap temperature rise ............................................................................ 18

Table 6 – Sampling sizes for type test ................................................................................. 24

Table A.1 – Production assessment .................................................................................... 26

---------------------- Page: 5 ----------------------
– 4 – IEC 60968:2015 © IEC 2015
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SELF-BALLASTED FLUORESCENT LAMPS
FOR GENERAL LIGHTING SERVICES –
SAFETY REQUIREMENTS
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

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 60968 has been prepared by subcommittee 34A: Lamps, of IEC

technical committee 34: Lamps and related equipment.

This third edition cancels and replaces the second edition published in 2012. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition, where additions have been made to the following:
a) caps and prevention of cap misuse;
b) interchangeability;
c) mechanical and electrical strength;
d) creepage distances and clearances;
e) end of lamp life precaution;
f) abnormal operation;
---------------------- Page: 6 ----------------------
IEC 60968:2015 © IEC 2015 – 5 –
g) test conditions for dimmable and three-way lamps;
h) water contact related marking;
i) verification, and assessment;
j) information for luminaire design in the form of annexes.
The text of this third edition is based on the following documents:
FDIS Report on voting
34A/1811/FDIS 34A/1838/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.

In this standard, the following print types are used:
– Requirements proper: in roman type.
– Test specifications: in italic type.
– Explanatory matter: in smaller roman type.

The committee has decided that the contents of this publication 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.
The contents of the corrigendum of March 2015 have been included in this copy.
---------------------- Page: 7 ----------------------
– 6 – IEC 60968:2015 © IEC 2015
SELF-BALLASTED FLUORESCENT LAMPS
FOR GENERAL LIGHTING SERVICES –
SAFETY REQUIREMENTS
1 Scope

This International Standard specifies the safety and interchangeability requirements, together

with the test methods and conditions required to show compliance of tubular fluorescent

lamps with integrated means for controlling starting and stable operation (self-ballasted

fluorescent lamps).

These lamps are intended for domestic and similar general lighting purposes, having a rated

voltage of 50 V to 250 V, having a rated frequency of 50 Hz or 60Hz and having IEC 60061-1

compliant caps.

For a cap-holder system not specifically mentioned in this standard, the relevant information

on safety related tests provided by the manufacturer will apply.
The requirements of this standard relate only to type testing.
Recommendations for whole product testing or batch testing are given in Annex A.

This part of the standard covers photobiological safety according to IEC 62471 and

IEC TR 62471-2. Blue light and infrared hazards are below the level which requires marking.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and

are indispensable for its application. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60061-1, Lamp caps and holders together with gauges for the control of
interchangeability and safety – Part 1: Lamp caps
IEC 60061-3, Lamp caps and holders together with gauges for the control of
interchangeability and safety – Part 3: Gauges
IEC 60360, Standard method of measurement of lamp cap temperature rise
IEC 60598-1, Luminaires – Part 1: General requirements and tests

IEC 60695-2-10, Fire hazard testing - Part 2-10: Glowing/hot-wire based test methods - Glow-

wire apparatus and common test procedure

IEC 60695-2-11:2000, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods –

Glow-wire flammability test method for end products
IEC 60901, Single-capped fluorescent lamps – Performance specifications
IEC 61199, Single-capped fluorescent lamps – Safety specifications
---------------------- Page: 8 ----------------------
IEC 60968:2015 © IEC 2015 – 7 –
IEC 61347-1:2015, Lamp controlgear – Part 1: General and safety requirements

ISO 4046-4:2002, Paper, board, pulp and related terms – Vocabulary – Part 4: Paper and

board grades and converted products
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply:
3.1
self-ballasted lamp

unit which cannot be dismantled without being permanently damaged, provided with a lamp

cap and incorporating a light source and any additional elements necessary for starting and

stable operation of the light source
3.2
nominal value
approximate quantity value used to designate or identify a lamp
[SOURCE: IEC 60901:1997, 1.4.3]
3.3
rated value
quantity value for a characteristic of a lamp for specified operating conditions

Note 1 to entry: The value and the conditions are specified in this standard, or assigned by the manufacturer or

responsible vendor.

[SOURCE: IEC 60901:1997, 1.4.4, modified — The second sentence is moved to a note to

entry.]
3.4
cap temperature rise

surface temperature rise (above ambient) of a standard test lampholder fitted to the lamp’s

cap, when measured in accordance with the standard method described in IEC 60360
[SOURCE: IEC 60432-1:1999, 1.3.8
3.5
live part
conductive part which may cause an electric shock in normal use
3.6
type test

test or series of tests made on a type test sample for the purpose of checking compliance of

the design of a given product with the requirements of the relevant standard
3.7
type test sample

sample consisting of one or more similar units submitted by the manufacturer or responsible

vendor for the purpose of the type test
3.8
specific effective radiant UV power
effective power of the UV radiation of a lamp related to its luminous flux
---------------------- Page: 9 ----------------------
– 8 – IEC 60968:2015 © IEC 2015
Note 1 to entry: The specific effective radiant UV power is expressed in mW/klm.

Note 2 to entry: The effective power of the UV radiation is obtained by weighting the spectral power distribution of

the lamp with the UV hazard function S (λ). Information about the relevant UV hazard function is given in

IEC 62471. 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, like mechanical damage or discoloration.

3.9
test family

lamp groups which are distinguished by common features of materials relevant to the test

applied
4 General requirements and general test requirements

4.1 Self-ballasted lamps shall be so designed and constructed that in normal use they

function reliably and cause no danger to the user or surroundings.
In general, compliance is checked by carrying out all the tests specified.

4.2 All measurements unless otherwise specified in this standard, shall be carried out at

rated voltage and frequency and in a draught-proof room. The ambient temperature shall be

from 23 °C to 27 °C inclusive and shall not vary by more than 1 °C during the measurements.

If lamps are rated for alternative frequencies the test shall be carried out at the most onerous

of these.
The test voltages are specified in the relevant clauses.

4.3 Self-ballasted lamps are non-repairable, factory sealed units. They shall not be opened

for any tests with exemption of 13.2. In the case of substantiated doubt based on the

inspection of the lamp and the examination of the circuit diagram, and in agreement with the

manufacturer or responsible vendor, lamps specially prepared so that a fault condition can be

simulated shall be submitted for testing (see Clause 13 and Clause 15).
5 Marking
5.1 Lamp marking
The following information shall be marked on the lamp.

1) Mark of origin (this may take the form of a trademark, the manufacturer's name or the

name of the responsible vendor).
2) Rated voltage(s) or rated voltage range (marked "V" or "volts").
3) Rated power (marked "W" or "watts").
4) Rated frequency (frequencies) (marked in "Hz").

5) Any further information needed to identify the product type e.g. model number or type

reference.
5.2 Additional marking

In addition the following information shall be given by the lamp manufacturer either on the

lamp, the packaging or in the installation instructions.
1) Rated lamp current.

2) For lamps with a weight significantly higher than that of the lamps for which they are a

replacement, attention should be drawn to the fact that the increased weight may reduce

the mechanical stability of certain luminaires.
---------------------- Page: 10 ----------------------
IEC 60968:2015 © IEC 2015 – 9 –

3) Lamps that are not suitable for dimming shall be marked according to Figure 1 or be

provided with a written cautionary notice. The marking shall be provided on the packaging

or accompanying information and its height shall be at least 5 mm.
IEC
Figure 1 – Dimming not allowed

4) Lamps shall be marked with the symbol according to Figure 2. The marking shall be

provided on the packaging or accompanying information. The symbol is not needed if a

written cautionary notice is provided.
[SOURCE: IEC 60417-6179-1 (2014-10)]

Figure 2 – Lamp to be used in dry conditions or in a luminaire that provides protection

5.3 Compliance of marking
Compliance is checked by the following.

1) Presence and legibility of the marking required in 5.1 – by visual inspection.

2) The durability of the marking is checked by trying to remove it by rubbing lightly for 15 s

with a piece of cloth soaked in water. The marking shall be legible after the test.

3) Availability of information required in 5.2 – by visual inspection.
---------------------- Page: 11 ----------------------
– 10 – IEC 60968:2015 © IEC 2015
5.4 Locations where marking is required (See Table 1)
Table 1 – Locations where marking is required
Product
Product
Marking item Product datasheets
Packaging
or leaflets
Mark of origin x x x
Rated voltage(s) or rated voltage range x x x
Rated power x x x
Rated frequency x x x
Product identification x x x
Rated lamp current - x x
Access weight - x x
Dimming restriction - x x
Water contact prevention - x x
x = required
– = not required but optional
6 Interchangeability, mass and bending moment
6.1 Interchangeability

Interchangeability shall be ensured by the use of caps in accordance with IEC 60061-1.

Compliance of the finished lamp shall be checked by the use of gauges for checking the

dimensions controlling interchangeability in accordance with IEC 60061-3.
6.2 Bending moment and mass imparted by the lamp at the lampholder

The value of the bending moment, imparted by the lamp at the lampholder shall not exceed

the value given in Table 2. The bending moment shall be determined by measuring the

downward force of the lamp (e.g. by means of a scale) at the tip of the bulb of the horizontally

held lamp and multiplying this force by the distance between the tip of the bulb and the pivot

point. The pivot line shall lie at the bottom end of the cylindrical part (
...

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