EN 60332-3-24:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prüfungen an Kabeln, isolierten Leitungen und Glasfaserkabeln im Brandfall -- Teil 3-24: Prüfung der vertikalen Flammenausbreitung von vertikal angeordneten Bündeln von Kabeln und isolierten Leitungen - Prüfart CEssais des câbles électriques et des câbles à fibres optiques soumis au feu -- Partie 3-24: Essai de propagation verticale de la flamme des fils ou câbles montés en nappes en position verticale - Catégorie CTests on electric and optical fibre cables under fire conditions -- Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C29.060.20KabliCables13.220.40Sposobnost vžiga in obnašanje materialov in proizvodov pri gorenjuIgnitability and burning behaviour of materials and productsICS:Ta slovenski standard je istoveten z:EN 60332-3-24:2009SIST EN 60332-3-24:2010en,fr01-februar-2010SIST EN 60332-3-24:2010SLOVENSKI
STANDARDSIST EN 50266-2-4:20021DGRPHãþD



SIST EN 60332-3-24:2010



EUROPEAN STANDARD EN 60332-3-24 NORME EUROPÉENNE
EUROPÄISCHE NORM October 2009
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: Avenue Marnix 17, B - 1000 Brussels
© 2009 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60332-3-24:2009 E
ICS 29.060.20; 13.220.40; 29.020 Supersedes EN 50266-2-4:2001 + corr. March 2002
English version
Tests on electric and optical fibre cables under fire conditions -
Part 3-24: Test for vertical flame spread
of vertically-mounted bunched wires or cables -
Category C (IEC 60332-3-24:2000 + A1:2008)
Essais des câbles électriques
et des câbles à fibres optiques
soumis au feu -
Partie 3-24: Essai de propagation verticale de la flamme des fils ou câbles montés en nappes en position verticale - Catégorie C (CEI 60332-3-24:2000 + A1:2008)
Prüfungen an Kabeln, isolierten Leitungen und Glasfaserkabeln im Brandfall -
Teil 3-24: Prüfung der vertikalen Flammenausbreitung von vertikal angeordneten Bündeln von Kabeln
und isolierten Leitungen -
Prüfart C (IEC 60332-3-24:2000 + A1:2008)
This European Standard was approved by CENELEC on 2009-08-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
SIST EN 60332-3-24:2010



EN 60332-3-24:2009 – 2 – Foreword The text of the International Standard IEC 60332-3-24:2000 and its amendment A1:2008, prepared by IEC TC 20, Electric cables, was submitted to the CENELEC Unique Acceptance Procedure and was accepted as EN 60332-3-24 on 2009-08-01. This European Standard supersedes EN 50266-2-4:2001 + corrigendum March 2002. The following dates were fixed: – latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement
(dop)
2010-08-01 – latest date by which the national standards conflicting with the EN have to be withdrawn
(dow)
2012-08-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 60332-3-24:2000 and its amendment A1:2008 was approved by CENELEC as a European Standard without any modification. __________
SIST EN 60332-3-24:2010



– 3 – EN 60332-3-24:2009 Annex ZA (normative)
Normative references to international publications with their corresponding European publications 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. NOTE
Where an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60332-3-10 -1) Tests on electric and optical fibre cables under fire conditions -
Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires
or cables - Apparatus EN 60332-3-10 20092)IEC 60695-4 -1) Fire hazard testing -
Part 4: Terminology concerning fire tests EN 60695-4 20062)IEC 60811-1-3 -1) Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-3: General application - Methods for determining the density - Water absorption tests - Shrinkage test EN 60811-1-3 19952)IEC Guide 104 -1) The preparation of safety publications and the use of basic safety publications and group safety publications - -
——————— 1)
Undated reference. 2)
Valid edition at date of issue. SIST EN 60332-3-24:2010



SIST EN 60332-3-24:2010



IEC 60332-3-24Edition 1.1 2009-02INTERNATIONAL STANDARD NORME INTERNATIONALETests on electric and optical fibre cables under fire conditions –
Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables – Category C
Essais des câbles électriques et des câbles à fibres optiques soumis au feu –
Partie 3-24: Essai de propagation verticale de la flamme des fils ou câbles montés en nappes en position verticale – Catégorie C
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE CBICS 29.060.20;13.220.40; 29.020 PRICE CODECODE PRIXISBN 2-8318-1029-6GROUP SAFETY PUBLICATION PUBLICATION GROUPÉE DE SÉCURITÉ® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale ® SIST EN 60332-3-24:2010



– 2 – 60332-3-24 © IEC:2000+A1:2008
CONTENTS FOREWORD.3 INTRODUCTION.5
1 Scope.6 2 Normative references.6 3 Definitions.7 4 Test apparatus.7 4.1 General.7 4.2 Ignition source.7 5 Test procedure.7 5.1 Test sample.7 5.2 Determination of the number of test pieces.7 5.3 Mounting of the test sample.8 5.4 Flame application time.9 6 Evaluation of test results.9 7 Performance requirements.10 8 Retest procedure.10 9 Test report.10
Annex A (normative)
Guidance on cable selection for type approval testing.12 Annex B (informative)
Recommended performance requirements.13
Figure 1 – Spaced cables mounted on the front side of the standard ladder.11 Figure 2 – Touching cables mounted on the front side of the standard ladder
(arrays of cables in contact).11
Table A.1 – Summary of test conditions.12 SIST EN 60332-3-24:2010



60332-3-24 © IEC:2000+A1:2008 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
TESTS ON ELECTRIC AND OPTICAL FIBRE CABLES
UNDER FIRE CONDITIONS –
Part 3-24: Test for vertical flame spread of vertically-mounted bunched
wires or cables – Category C
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 provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 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 60332-3-24 has been prepared by IEC technical committee 20: Electric cables.
It has the status of a group safety publication in accordance with IEC Guide 104. IEC 60332-3-24 forms one of a series of publications dealing with tests on electric cables under fire conditions; the series supersedes IEC 60332-3 published in 1992. The parts of the series are described in the introduction. All pre-existing categories of test are retained and updated. A new category (category D) has been added to cater for testing at very low non-metallic volumes. SIST EN 60332-3-24:2010



– 4 – 60332-3-24 © IEC:2000+A1:2008
This consolidated version of IEC 60332-3-24 consists of the first edition (2000) [documents 20/406/FDIS and 20/430/RVD] and its amendment 1 (2008) [documents 20/936/CDV and 20/985A/RVC].
The technical content is therefore identical to the base edition and its amendment and has been prepared for user convenience. It bears the edition number 1.1. A vertical line in the margin shows where the base publication has been modified by amendment 1. Annex A forms an integral part of this standard.
Annex B is for information only. The committee has decided that the contents of the base publication and its amendments will remain unchanged until the maintenance result 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.
SIST EN 60332-3-24:2010



60332-3-24 © IEC:2000+A1:2008 – 5 –
INTRODUCTION Parts 1 and 2 of IEC 60332 specify methods of test for flame spread characteristics for a single vertical insulated wire or cable. It cannot be assumed that, because a cable or wire meets the requirements of parts 1 and 2, a vertical bunch of similar cables or wires will behave in a similar manner. This is because flame spread along a vertical bunch of cables depends on a number of features, such as a) the volume of combustible material exposed to the fire and to any fla
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