Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2022)

This part of IEC 60598 specifies requirements for lighting chains fitted with series, parallel or a
combination 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 for example ornamental or
decorative, are considered to be covered by this document.
For lighting chains fitted with lampholders of the push-in type, the appropriate requirements of
this document applies.
This document covers the following lighting chains:
a) permanently installed lighting chains;
b) temporarily installed lighting chains;
c) temporarily installed protected lighting (TPL) chains.
NOTE 1 Festoon lighting chain – a lighting chain that is supported by the supply cable or fixed at the lampholder
and is permanently connected to the fixed wiring. Festoon lighting chains are primarily suitable for permanent indoor
or outdoor lighting applications.
NOTE 2 Decorative lighting chain – a lighting chain that is supported by the supply cable and is temporarily
connected to the fixed wiring. Decorative lighting chains are primarily suitable for domestic, indoor or indoor/outdoor
temporary lighting applications, see Figure 1 for examples.
NOTE 3 Temporarily installed protected lighting (TPL) chain – a lighting chain where each lampholder is fixed to
the building or structure and the light source is enclosed by a protective enclosure and is temporarily connected to
the fixed wiring. Temporarily installed protected lighting chains are primarily suitable for use in rough service lighting
applications.
For lighting chains with non-standardized lamps (e.g. lamps of the push-in type) the lamps are
regarded as a part of the lighting chain and consequently included in the testing.
NOTE 4 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 can also apply.
NOTE 5 In some countries the term "strings" is used instead of "chains".
NOTE 6 Candlestick luminaries are tested according to IEC 60598-2-4.

Leuchten - Teil 2-20: Besondere Anforderungen – Lichterketten (IEC 60598-2-20:2022)

Luminaires - Partie 2-20: Exigences particulières - Guirlandes lumineuses (IEC 60598-2-20:2022)

IEC 60598-2-20:2022 est disponible sous forme de IEC 60598-2-20:2022 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.

L'IEC 60598-2-20:2022 spécifie les exigences applicables aux guirlandes lumineuses équipées de sources lumineuses montées en série, en parallèle ou en combinaison série/parallèle pour utilisation à l'intérieur ou à l'extérieur, pour des tensions d'alimentation qui ne dépassent pas 250 V. Cette cinquième édition annule et remplace la quatrième édition parue en 2014. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- des dispositions spécifiques aux guirlandes lumineuses protégées installées temporairement (TPL) ont été ajoutées;
- de nouveaux termes et définitions ont été ajoutés.

Svetilke - 2-20. del: Posebne zahteve - Svetlobni nizi (IEC 60598-2-20:2022)

Ta del standarda IEC 60598 določa zahteve za svetlobne nize, opremljene z zaporedno, vzporedno ali kombinirano zaporedno/vzporedno vezanimi svetlobnimi viri za notranjo ali zunanjo uporabo z napajalno napetostjo največ 250 V.
Za kombinacije, ki vključujejo viseče svetilke (znane tudi kot zaprti svetlobni nizi), glej standard IEC 60598-2-21.
Ta dokument zajema svetlobne nize s priloženimi fiksnimi ali odstranljivimi pritrdili, npr. za okrasne ali dekorativne namene.
Za svetlobne nize s potisnimi okovi za sijalke se uporabljajo ustrezne zahteve tega dokumenta.
Ta dokument zajema naslednje svetlobne nize:
a) trajno nameščene svetlobne nize;
b) začasno nameščene svetlobne nize;
c) začasno nameščene zaščitene svetlobne nize (TPL).
OPOMBA 1: Svetlobni niz s sijalkami vključuje napajalni kabel oziroma je pritrjen v okovih za sijalke in je trajno povezan s fiksnim ožičenjem. Svetlobni nizi s sijalkami so primerni predvsem za trajno notranjo ali zunanjo razsvetljavo.
OPOMBA 2: Dekorativni svetlobni niz vključuje napajalni kabel in je začasno povezan s fiksnim ožičenjem. Dekorativni svetlobni nizi so primerni predvsem za začasno razsvetljavo doma, zaprtih prostorov ali za notranjo/zunanjo uporabo (za primer glej sliko 1).
OPOMBA 3: Pri začasno nameščenem zaščitenem svetlobnem nizu (TPL) je vsak okov za sijalko pritrjen na stavbo ali konstrukcijo, svetlobni vir pa je obdan z zaščitnim ohišjem in je začasno povezan s fiksnim ožičenjem. Začasno nameščeni zaščiteni svetlobni nizi so primerni predvsem za uporabo kot razsvetljava v zahtevnih delovnih pogojih.
Za svetlobne nize z nestandardiziranimi sijalkami (npr. potisne sijalke) se sijalke obravnavajo kot del svetlobnega niza in so zato vključene v postopek preskušanja.
OPOMBA 4: Za proizvode, pri katerih je svetlobni niz trajno pritrjen na okvir ali predhodno osvetljeno božično drevo, se lahko uporabljajo tudi ustrezne točke standarda IEC 60598-2-4.
OPOMBA 5: V nekaterih državah se namesto izraza »niz« uporablja izraz »veriga«.
OPOMBA 6: Svečne svetilke so preskušene v skladu s standardom IEC 60598-2-4.

General Information

Status
Published
Publication Date
03-Jul-2024
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
03-Jul-2024
Due Date
07-Sep-2024
Completion Date
04-Jul-2024

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SLOVENSKI STANDARD
01-september-2024
Svetilke - 2-20. del: Posebne zahteve - Svetlobni nizi (IEC 60598-2-20:2022)
Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2022)
Leuchten - Teil 2-20: Besondere Anforderungen – Lichterketten (IEC 60598-2-20:2022)
Luminaires - Partie 2-20: Exigences particulières - Guirlandes lumineuses (IEC 60598-2-
20:2022)
Ta slovenski standard je istoveten z: EN IEC 60598-2-20:2024
ICS:
29.140.40 Svetila Luminaires
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60598-2-20

NORME EUROPÉENNE
EUROPÄISCHE NORM June 2024
ICS 29.140.40 Supersedes EN 60598-2-20:2015; EN 60598-2-
20:2015/AC:2017-01
English Version
Luminaires - Part 2-20: Particular requirements - Lighting chains
(IEC 60598-2-20:2022)
Luminaires - Partie 2-20: Exigences particulières - Leuchten - Teil 2-20: Besondere Anforderungen -
Guirlandes lumineuses Lichterketten
(IEC 60598-2-20:2022) (IEC 60598-2-20:2022)
This European Standard was approved by CENELEC on 2022-03-07. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60598-2-20:2024 E

European foreword
The text of document 34D/1646/FDIS, future edition 5 of IEC 60598-2-20, prepared by SC 34D
"Luminaires" of IEC/TC 34 "Lighting" was submitted to the IEC-CENELEC parallel vote and approved
by CENELEC as EN IEC 60598-2-20:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-12-28
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-06-28
document have to be withdrawn
This document supersedes EN 60598-2-20:2015 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a standardization request addressed to CENELEC by the
European Commission. The Standing Committee of the EFTA States subsequently approves these
requests for its Member States.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60598-2-20:2022 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60598-2-4 NOTE Approved as EN 60598-2-4
IEC 60598-2-21 NOTE Approved as EN 60598-2-21

IEC 60598-2-20 ®
Edition 5.0 2022-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Luminaires –
Part 2-20: Particular requirements – Lighting chains
Luminaires –
Partie 2-20: Exigences particulières – Guirlandes lumineuses
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.40 ISBN 978-2-8322-4237-7
– 2 – IEC 60598-2-20:2022 © IEC 2022
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
20.1 Scope . 7
20.2 Normative references . 7
20.3 Terms and definitions . 8
20.4 General test requirements . 10
20.5 Classification of luminaires . 10
20.5.1 General . 10
20.5.2 Protection against electric shock . 10
20.5.3 Protection against dust, solid objects and moisture . 10
20.6 Marking . 10
20.6.1 General . 10
20.6.2 Lighting chain marking . 11
20.6.3 Lighting chain and packaging marking . 11
20.6.4 Packaging or instructions marking . 11
20.7 Construction . 12
20.7.1 General . 12
20.7.2 Lampholders . 12
20.7.3 Terminal blocks . 12
20.7.4 Terminals and supply connections . 13
20.7.5 Gaskets . 13
20.7.6 Mechanical strength . 13
20.7.7 Lamp bridging devices . 13
20.7.8 Control units and controlgear . 13
20.7.9 Lamp rotation . 14
20.7.10 Lamp insertion and withdrawal force . 14
20.7.11 Lamp mechanical requirements . 14
20.7.12 Temporarily installed protected lighting (TPL) chains . 14
20.8 Creepage distances and clearances . 15
20.9 Provisions for earthing . 15
20.10 Terminals . 15
20.11 External and internal wiring . 15
20.11.1 General . 15
20.11.2 Cables for lighting chains . 15
20.11.3 Cord anchorage test . 16
20.11.4 Plugs and cable length . 16
20.11.5 Maximum length of extendable class II lighting chains . 16
20.12 Protection against electric shock . 17
20.12.1 General . 17
20.12.2 Divisible plug . 17
20.12.3 Electrification of decorations . 17
20.12.4 Contacts of push-in lampholders . 18
20.12.5 Blanking plugs . 18
20.13 Endurance tests and thermal tests . 19
20.13.1 General . 19

IEC 60598-2-20:2022 © IEC 2022 – 3 –
20.13.2 Test voltage . 19
20.13.3 Lamp bridging devices . 19
20.13.4 Short-circuit test of rectifier . 19
20.14 Resistance to dust, solid objects and moisture . 19
20.15 Insulation resistance and electric strength . 20
20.16 Resistance to heat, fire and tracking . 20
Annex A (normative) Requirements for interconnecting connectors for use in lighting
chains . 21
Bibliography . 23

Figure 1 – Examples of different types of lighting chains . 10
Figure 2 – Example of a connector to a divisible plug for lighting chains . 17
Figure 3 – Example of test device suitable for checking security of lampholder contacts . 18

Table 1 – Cable or cord types for lighting chains . 15
Table 2 – Conductor size for lighting chains . 16

– 4 – IEC 60598-2-20:2022 © IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LUMINAIRES –
Part 2-20: Particular requirements – Lighting chains

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,
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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 nation
...

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