Bayonet lampholders

IEC 61184:2017 This document applies to bayonet lampholders B15d and B22d for connection of lamps and semi-luminaires to a supply voltage of 250 V.
This document also covers lampholders which are integral with a luminaire or intended to be built into appliances. It covers the requirements for the lampholder only.
This fourth edition cancels and replaces the third edition published in 2008 and Amendment 1:2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Restructuring of the standard in accordance with IEC Directives Part 2.
b) Clause 18: Update on creepage distances and clearances;
c) Addition of Annex B.

Douilles à baïonnette

L'IEC 61184:2017 Le présent document s'applique aux douilles à baïonnette B15d et B22d destinées à connecter les lampes et les semi-luminaires à une tension d'alimentation de 250 V.
Le présent document couvre également les douilles qui sont intégrées dans un luminaire ou destinées à être incorporées dans des appareils. Il couvre uniquement les exigences applicables à la douille.
Cette quatrième édition annule et remplace la troisième édition parue en 2008 et son Amendement 1:2011. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) Restructuration de la norme conformément aux Directives IEC, Partie 2.
b) Article 18: Mise à jour des distances dans l’air et des lignes de fuite;
c) Ajout de l’Annexe B.

General Information

Status
Published
Publication Date
21-May-2017
Technical Committee
Current Stage
PPUB - Publication issued
Start Date
22-May-2017
Completion Date
22-May-2017
Ref Project

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IEC 61184
Edition 4.0 2017-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Bayonet lampholders
Douilles à baïonnette
IEC 61184:2017-05(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61184
Edition 4.0 2017-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Bayonet lampholders
Douilles à baïonnette
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.10 ISBN 978-2-8322-4361-9

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 61184:2017  IEC 2017
CONTENTS

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

INTRODUCTION ..................................................................................................................... 6

1 Scope .............................................................................................................................. 7

2 Normative references ...................................................................................................... 7

3 Terms and definitions ...................................................................................................... 8

3.1 Materials ................................................................................................................. 8

3.2 Means of fixing ....................................................................................................... 9

4 General requirements .................................................................................................... 13

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

6 Standard ratings ............................................................................................................ 14

6.1 Standard rated voltage .......................................................................................... 14

6.2 Standard rated currents ........................................................................................ 15

7 Classification ................................................................................................................. 15

8 Marking ......................................................................................................................... 16

9 Dimensions.................................................................................................................... 18

10 Protection against electric shock ................................................................................... 19

11 Terminals ...................................................................................................................... 20

12 Provision for earthing .................................................................................................... 22

13 Construction .................................................................................................................. 24

14 Switched lampholders .................................................................................................... 28

15 Moisture resistance, insulation resistance and electrical strength .................................. 29

16 Mechanical strength ...................................................................................................... 31

17 Screws, current-carrying parts and connections ............................................................. 34

18 Creepage distances and clearances .............................................................................. 35

19 General resistance to heat ............................................................................................. 37

20 Resistance to heat, fire and tracking .............................................................................. 41

21 Resistance to excessive residual stresses (season cracking) and to rusting .................. 43

Annex A (normative) Season cracking/corrosion test ........................................................... 61

A.1 General ................................................................................................................. 61

A.2 Test cabinet .......................................................................................................... 61

A.3 Test solution ......................................................................................................... 61

A.4 Test procedure ...................................................................................................... 62

Annex B (informative) Schedule of amended clauses and subclauses containing more

serious/critical requirements which require products to be retested ....................................... 63

Bibliography .......................................................................................................................... 64

Figure 1 – Loading device (see 16.1) .................................................................................... 44

Figure 2 – Bending apparatus (see 16.4) .............................................................................. 45

Figure 3 – Gauge for holes for backplate lampholders screws (see 13.11) ............................ 46

Figure 4 – Clarification of some of the definitions in Clause 3 ............................................... 47

Figure 5 – Test cap B15d (see 19.3) ..................................................................................... 48

Figure 6 – Test cap B22d (see 19.3) ..................................................................................... 49

Figure 7 – Testing device (see 10.1) ..................................................................................... 50

---------------------- Page: 4 ----------------------
IEC 61184:2017  IEC 2017 – 3 –

Figure 8 – Dimensions for shade support devices (see 9.1) .................................................. 51

Figure 9 – Dimensions for protective shields for B22d lampholders (see 10.1) ...................... 52

Figure 10 – Test cap B15d (see 15.3) ................................................................................... 53

Figure 11 – Test cap B22d (see 15.3) ................................................................................... 54

Figure 12 – Typical apparatus for the heating test (see 19.5) ................................................ 56

Figure 13 – Nipple thread for lampholders – Basic profile and design profile for the nut

and for the screw .................................................................................................................. 56

Figure 14 – Gauges for metric thread for nipples .................................................................. 57

Figure 15 – Impact-test apparatus ........................................................................................ 58

Figure 16 – Mounting support ............................................................................................... 59

Figure 17 – Ball-pressure test apparatus............................................................................... 59

Figure 18 – Pressure apparatus ............................................................................................ 60

Table 1 – Dimensions of threaded entries and set screws ..................................................... 19

Table 2 – Minimum dimensions of pillar type terminals .......................................................... 21

Table 3 – Limits for contact forces ........................................................................................ 24

Table 4 – Pull and torque values ........................................................................................... 27

Table 5 – Heights of fall ........................................................................................................ 33

Table 6 – Maximum deformation values ................................................................................ 34

Table 7 – Torque values ....................................................................................................... 35

Table 8 – Minimum distances for AC (50/60 Hz) sinusoidal voltages – Impulse

withstand category II ............................................................................................................. 36

Table 9 – Heating cabinet temperature ................................................................................. 37

Table 10 – Heating cabinet temperature ............................................................................... 38

Table 11 – Test temperature and test lamp data ................................................................... 40

Table A.1 – pH adjustment .................................................................................................... 61

---------------------- Page: 5 ----------------------
– 4 – IEC 61184:2017  IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
BAYONET LAMPHOLDERS
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

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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 61184 has been prepared by subcommittee 34B: Lamp caps and

holders, of IEC technical committee 34: Lamps and related equipment.
This fourth edition cancels and replaces the third edition published in 2008 and
Amendment 1:2011. This edition constitutes a technical revision.

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

edition:
a) Restructuring of the standard in accordance with IEC Directives Part 2.
b) Clause 18: Update on creepage distances and clearances;
c) Addition of Annex B.
The text of this standard is based on the following documents:
FDIS Report on voting
34B/1898/FDIS 34B/1905/RVD
---------------------- Page: 6 ----------------------
IEC 61184:2017  IEC 2017 – 5 –

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;
– notes: in small roman type.

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: 7 ----------------------
– 6 – IEC 61184:2017  IEC 2017
INTRODUCTION

This document covers safety requirements for bayonet lampholders and includes references

to IEC 60061 (all parts) for the control of interchangeability and safety of the cap and holder

fit.

NOTE Safety requirements ensure that electrical equipment constructed in accordance with these requirements

does not endanger the safety of persons, domestic animals or property when properly installed and maintained and

used in applications for which it was intended.

The thermal characteristics of lampholders are specified by the rated operating temperature

(symbol T), which is the highest temperature for which the lampholder is designed. The

temperature rating and the resistance to heat specified in this document are based on two

different principles, as presently found in IEC 60238 for Edison screw lampholders and in

other national standards for bayonet lampholders. After experience, it may be possible to

rationalize the systems in future editions of this document.
---------------------- Page: 8 ----------------------
IEC 61184:2017  IEC 2017 – 7 –
BAYONET LAMPHOLDERS
1 Scope

This document applies to bayonet lampholders B15d and B22d for connection of lamps and

semi-luminaires to a supply voltage of 250 V.

This document also covers lampholders which are integral with a luminaire or intended to be

built into appliances. It covers the requirements for the lampholder only.

For all other requirements, such as protection against electric shock in the area of the

terminals, the requirements of the relevant appliance standard are observed and tested after

building into the appropriate equipment, when that equipment is tested according to its own

standard. Lampholders for use by luminaire manufacturers only are not for retail sale.

Where lampholders are used in luminaires, their maximum operating temperatures are

specified in IEC 60598-1.

B15d denotes the cap/holder fit as defined by IEC 60061-1, sheet 7004-11 and IEC 60061-2,

sheet 7005-16 with the corresponding gauges.

B22d denotes the cap/holder fit as defined by IEC 60061-1, sheet 7004-10 and IEC 60061-2,

sheet 7005-10 with the corresponding gauges.
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 60061 (all parts), Lamp caps and holders together with gauges for the control of

interchangeability and safety (available at http://std.iec.ch/iec60061)
IEC 60061-1, Lamp caps and holders together with gauges for the control of
interchangeability and safety – Part 1: Lamp caps
IEC 60061-2, Lamp caps and holders together with gauges for the control of
interchangeability and safety – Part 2: Lampholders
IEC 60061-3, Lamp caps and holders together with gauges for the control of
interchangeability and safety – Part 3: Gauges

IEC 60068-2-75:2014, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests

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 60227 (all parts), Polyvinyl chloride insulated cables of rated voltages up to and including

450/750 V
---------------------- Page: 9 ----------------------
– 8 – IEC 61184:2017  IEC 2017

IEC 60245 (all parts), Rubber insulated cables – Rated voltages up to and including

450/750 V
IEC 60399, Barrel thread for lampholders with shade holder ring

IEC 60417, Graphical symbols for use on equipment (available at http://www.graphical-

symbols.info/equipment)
IEC 60432 (all parts), Incandescent lamps – Safety specifications
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)
IEC 60529:1989/AMD1:1999
IEC 60529:1989/AMD2:2013
IEC 60598-1, Luminaires – Part 1: General requirements and tests

IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:

Principles, requirements and tests

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 60695-11-5, Fire hazard testing – Part 11-5: Test flames – Needle-flame test method –

Apparatus, confirmatory test arrangement and guidance

ISO 4046-4:2016, Paper, board, pulps 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.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 Materials
3.1.1
plastic lampholder
lampholder, the exterior of which is made wholly of plastic material

Note 1 to entry: The exterior is any part of the lampholder which, when wired and fully assembled and fitted with

the testing device shown in Figure 7, can be touched directly by the standard test finger of IEC 60529:1989 and

IEC 60529:1989/AMD1:1999.
3.1.2
ceramic lampholder
lampholder, the exterior of which is made wholly of ceramic material
Note 1 to entry: See note in 3.1.1.
3.1.3
metal lampholder
lampholder, the exterior of which is made wholly or partly of metal
---------------------- Page: 10 ----------------------
IEC 61184:2017  IEC 2017 – 9 –
Note 1 to entry: See note in 3.1.1.
3.2 Means of fixing
3.2.1
cord grip lampholder

lampholder incorporating a method of retaining a flexible cord by which it may be suspended

SEE: Figure 4a).
3.2.2
threaded entry lampholder

lampholder incorporating a threaded component at the point of entry of the supply wires

permitting the lampholder to be mounted on a mating threaded support

Note 1 to entry: A threaded entry lampholder was formerly called “nipple lampholder”.

SEE: Figure 4b).
3.2.3
backplate lampholder

lampholder so designed as to be suitable for mounting, by means of an associated or integral

backplate, directly on to a supporting surface or appropriate box
SEE: Figure 4c).
3.3
terminal/contact assembly

part or assembly of parts which provides a means of connection between the termination of a

supply conductor and the contact-making surfaces of the corresponding lamp cap as well as

resilient means to maintain contact pressure

Note 1 to entry: A rising type is where the terminal is allowed to rise parallel with the lamp axis on insertion of a

lamp cap.

Note 2 to entry: A non-rising type is where the terminal is not allowed to rise on insertion of a lamp cap;

Note 3 to entry: The terminal and the barrel can be a unique element.
SEE: Figure 4.
3.4
union ring

cylindrical component which joins together separate external parts of the lampholder

SEE: Figure 4.
3.5
shade ring

cylindrical component having an internal thread or other means to engage a corresponding

support on the outer shell and intended to carry or retain a shade
SEE: Figure 4.
3.6
skirt

component similar to a shade ring but having a longer cylindrical form to extend to the full

length of the lampholder body
Note 1 to entry: Applicable to plastic lampholders only.
SEE: Figure 4.
---------------------- Page: 11 ----------------------
– 10 – IEC 61184:2017  IEC 2017
3.6.1
protective shield

component similar to a skirt but having a flared open end to protect the user from accidental

contact with the lamp cap
Note 1 to entry: Applicable to plastic lampholders only.
SEE: Figure 9.
3.7
dome

part of a cord grip lampholder or threaded entry lampholder which shields the connecting

terminals
SEE: Figure 4.
3.8
barrel

part of a lampholder which serves for mechanical connection of the lamp cap with the

lampholder
SEE: Figure 4.
3.9
lampholder for building-in

lampholder designed to be built into a luminaire, an additional enclosure or the like

3.9.1
unenclosed lampholder

lampholder for building-in so designed that it requires additional means, for example

enclosures, to meet the requirements of IEC 61184 with regard to protection against electric

shock
3.9.2
enclosed lampholder

lampholder for building-in so designed that, on its own, it fulfils the requirements of IEC 61184

with regard to protection against electric shock and, if appropriate, IP classification

3.10
independent lampholder

lampholder so designed that it can be mounted separately from a luminaire and at the same

time provide all the necessary protection according to its classification and marking

3.11
switched lampholder
lampholder provided with an integral switch to control the supply to the lamp
3.12
basic insulation

insulation applied to live parts to provide basic protection against electric shock

Note 1 to entry: Basic insulation does not necessarily include insulation used exclusively for functional purposes.

3.13
supplementary insulation

independent insulation applied in addition to basic insulation in order to provide protection

against electric shock in the event of a failure of basic insulation
---------------------- Page: 12 ----------------------
IEC 61184:2017  IEC 2017 – 11 –
3.14
double insulation
insulation comprising both basic insulation and supplementary insulation
3.15
reinforced insulation

single insulation system applied to live parts which provides a degree of protection against

electric shock equivalent to double insulation under the conditions specified

Note 1 to entry: The term "insulation system" does not imply that the insulation is one homogeneous piece. It may

comprise several layers which cannot be tested singly as supplementary or basic insulation.

3.16
live part
conductive part which may cause an electric shock in normal use
Note 1 to entry: The neutral conductor is, however, regarded as a live part.

Note 2 to entry: The test to determine whether or not a conductive part is a live pa

...

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