IEC 60598-2-20-2014 Luminaires - Part 2-20 Particular requirements - Lighting chains《灯具.第2-20部分 详细要求.灯饰串》.pdf

1、 IEC 60598-2-20 Edition 4.0 2014-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Luminaires Part 2-20: Particular requirements Lighting chains Luminaires Partie 2-20: Exigences particulires Guirlandes lumineuses IEC 60598-2-20:2014-11(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC,

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19、ation ou si vous avez des questions contactez-nous: csciec.ch. IEC 60598-2-20 Edition 4.0 2014-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Luminaires Part 2-20: Particular requirements Lighting chains Luminaires Partie 2-20: Exigences particulires Guirlandes lumineuses INTERNATIONAL ELECTROTECHNI

20、CAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 29.140.40 PRICE CODE CODE PRIX ISBN 978-2-8322-1940-9 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publicat

21、ion from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 60598-2-20:2014 IEC 2014 CONTENTS FOREWORD . 4 20.1 Scope 6 20.2 Normative references . 6 20.3 Terms and definitions 7 20.4 General test requirements 7 20.5 Clas

22、sification of luminaires 7 20.5.1 General 7 20.5.2 Protection against electric shock 7 20.5.3 Protection against dust, solid objects and moisture . 8 20.6 Marking . 8 20.6.1 General 8 20.6.2 Lighting chain marking 8 20.6.3 Lighting chain and packing marking 8 20.6.4 Packing or instruction marking 8

23、20.7 Construction 9 20.7.1 General 9 20.7.2 Lampholders 9 20.7.3 Terminal blocks 10 20.7.4 Terminals and supply connections 10 20.7.5 Gaskets . 10 20.7.6 Mechanical strength . 10 20.7.7 Lamp bridging devices 10 20.7.8 Control units . 10 20.7.9 Lamp rotation . 11 20.7.10 Lamp insertion/withdrawal for

24、ce 11 20.7.11 Lamp mechanical requirements 11 20.8 Creepage distances and clearances . 12 20.9 Provisions for earthing . 12 20.10 Terminals 12 20.11 External and internal wiring 12 20.11.1 General 12 20.11.2 Cables for lighting chains . 12 20.11.3 Cord anchorage test . 13 20.11.4 Plugs and cable len

25、gth . 13 20.11.5 Maximum length of extendable class II lighting chains . 13 20.12 Protection against electric shock 13 20.12.1 General 13 20.12.2 Divisible plug 13 20.12.3 Electrification of decorations . 14 20.12.4 Contacts of push-in lampholders . 14 20.12.5 Blanking plugs 15 20.13 Endurance tests

26、 and thermal tests . 15 20.13.1 General 15 20.13.2 Test voltage . 15 20.13.3 Lamp bridging devices 16 IEC 60598-2-20:2014 IEC 2014 3 20.13.4 Short-circuit test of rectifier 16 20.14 Resistance to dust, solid objects and moisture . 16 20.15 Insulation resistance and electric strength 16 20.16 Resista

27、nce to heat, fire and tracking 17 Annex A (normative) Requirements for interconnecting connectors for use in lighting chains . 18 Bibliography 20 Figure 1 Example of a connector to a divisible plug for lighting chains . 14 Figure 2 Example of test device suitable for checking security of lampholder

28、contacts . 15 Table 1 Cables for lighting chains . 12 4 IEC 60598-2-20:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LUMINAIRES Part 2-20: Particular requirements Lighting chains FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardizati

29、on 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 Internation

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36、ed 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 Comm

37、ittees 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 t

38、o 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

39、held responsible for identifying any or all such patent rights. International Standard IEC 60598-2-20 has been prepared by subcommittee 34D: Luminaires, of IEC technical committee 34: Lamps and related equipment. This fourth edition cancels and replaces the third edition (2010). This edition include

40、s the following significant technical changes with respect to the previous edition, where the requirements for rope lights (sealed lighting chains) have been removed and are now dealt with in IEC 60598-2-21. IEC 60598-2-20:2014 IEC 2014 5 The text of this standard is based on the following documents

41、: FDIS Report on voting 34D/1145/FDIS 34D/1153/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 standard is intended to be

42、read in conjunction with IEC 60598-1 Luminaires Part 1: General requirements and tests. In this standard, the following print types are used: requirements: in roman type; test specifications: in italic type; notes: in small roman type. A list of all the parts in the IEC 60598 series, published under

43、 the general title Luminaires can be found on the IEC website. 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

44、 publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 60598-2-20:2014 IEC 2014 LUMINAIRES Part 2-20: Particular requirements Lighting chains 20.1 Scope This part of IEC 60598 specifies requirements for lighting chains fitted with series, parallel or a combinat

45、ion of series/parallel connected light sources for use either indoors or outdoors on supply voltages not exceeding 250 V. For combinations where rope lights (also known as sealed lighting chains) are included, see IEC 60598-2-21. Lighting chains provided with fixed or detachable attachments e.g. orn

46、amental or decorative, are considered to be covered by this standard. For lighting chains fitted with lampholders of the push-in type, the appropriate requirements of this standard applies. NOTE 1 A Christmas tree lighting chain is an example of a lighting chain fitted with series or series/parallel

47、 connected lamps. A chain for illuminating ski-tracks or promenades is an example of a lighting chain fitted with parallel connected lamps. For lighting chains with non-standardised lamps (e.g. lamps of the push-in type) the lamps are regarded as a part of the lighting chain and consequently include

48、d in the testing. NOTE 2 For products where the lighting chain is permanently fixed to a frame or pre-lit Christmas tree the relevant clauses of IEC 60598-2-4 and/or IEC 60598-2-7 can also apply. NOTE 3 In some countries the term “strings“ is used instead of “chains“. NOTE 4 Candlestick luminaries a

49、re tested according to IEC 60598-2-4. 20.2 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 60227-5:2011, Polyvinyl chloride insulated cables of rated