BS EN 60695-9-2-2014 Fire hazard testing Surface spread of flame Summary and relevance of test methods《着火危险试验 表面火焰蔓延 试验方法总结及相关》.pdf

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1、BSI Standards PublicationFire hazard testingPart 9-2: Surface spread of flame Summary and relevance of test methodsBS EN 60695-9-2:2014National forewordThis British Standard is the UK implementation of EN 60695-9-2:2014. It isidentical to IEC 60695-9-2:2014. It supersedes DD IEC/TS 60695-9-2:2005whi

2、ch is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/89, Fire hazard testing.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contr

3、act. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 79832 0ICS 13.220.40; 29.020Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under t

4、he authority of theStandards Policy and Strategy Committee on 30 April 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60695-9-2:2014EUROPEAN STANDARD EN 60695-9-2 NORME EUROPENNE EUROPISCHE NORM April 2014 CENELEC European Committee for Electrotechnical St

5、andardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2014 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN

6、 60695-9-2:2014 E ICS 13.220.40; 29.020 English version Fire hazard testing - Part 9-2: Surface spread of flame - Summary and relevance of test methods (IEC 60695-9-2:2014) Essais relatifs aux risques du feu - Partie 9-2: Propagation des flammes en surface - Rsum et pertinence des mthodes dessai (CE

7、I 60695-9-2:2014) Prfungen zur Beurteilung der Brandgefahr - Teil 9-2: Flammenausbreitung auf Oberflchen - Zusammenfassung und Anwendbarkeit der Prfverfahren (IEC 60695-9-2:2014) This European Standard was approved by CENELEC on 2014-04-10. CENELEC members are bound to comply with the CEN/CENELEC In

8、ternal 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 a

9、ny 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 o

10、fficial versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembour

11、g, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 60695-9-2:2014EN 60695-9-2:2014 - 2 - Foreword The text of document 89/1202/FDIS, future edition 1 of IEC 60695-9-2, prepared by IEC/TC 89 “Fire hazard t

12、esting“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60695-9-2:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-01-10 latest dat

13、e by which the national standards conflicting with the document have to be withdrawn (dow) 2017-04-10 This standard is to be used in conjunction with EN 60695-9-1. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN

14、 shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60695-9-2:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to b

15、e added for the standards indicated: IEC 60695-11-10 NOTE Harmonized as EN 60695-11-10. IEC 60695-11-20 NOTE Harmonized as EN 60695-11-20. IEC 60332-1-1 NOTE Harmonized as EN 60332-1-1. IEC 60332-1-2 NOTE Harmonized as EN 60332-1-2. IEC 60332-1-3 NOTE Harmonized as EN 60332-1-3. IEC 60332-2-1 NOTE H

16、armonized as EN 60332-2-1. IEC 60332-2-2 NOTE Harmonized as EN 60332-2-2. IEC 60332-3-10 NOTE Harmonized as EN 60332-3-10. IEC 60332-3-21 NOTE Harmonized as EN 60332-3-21. IEC 60332-3-22 NOTE Harmonized as EN 60332-3-22. IEC 60332-3-23 NOTE Harmonized as EN 60332-3-23. IEC 60332-3-24 NOTE Harmonized

17、 as EN 60332-3-24. IEC 60332-3-25 NOTE Harmonized as EN 60332-3-25. BS EN 60695-9-2:2014- 3 - EN 60695-9-2:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referen

18、ced 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. NOTE When an international publication has been modified by common modificat

19、ions, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60695-4 - Fire hazard testing - Part 4: Terminology concerning fire tests for electrotechnical products EN 60695-4 - IEC 60695-9-1 - Fire hazard testing - Part 9-1: Surface spread of flame - General guidance

20、EN 60695-9-1 - IEC Guide 104 - The preparation of safety publications and the use of basic safety publications and group safety publications - - ISO/IEC Guide 51 - Safety aspects - Guidelines for their inclusion in standards - - ISO 13943 2008 Fire safety - Vocabulary EN ISO 13943 2010 BS EN 60695-9

21、-2:2014 2 IEC 60695-9-2:2014 IEC:2014 CONTENTS INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 7 4 Summary of published test methods 11 4.1 Small-scale and intermediate-scale burning tests . 11 4.1.1 Horizontal and vertical 50 W and 500 W flame tests IEC 60695-11-10 and I

22、EC 60695-11-20 11 4.1.2 Vertical burning test for cables IEC 60332-1 3 . 12 4.1.3 Vertical burning test for cables IEC 60332-2 4 . 13 4.1.4 Lateral flame spread on building and transport products ISO 5658-2 5 13 4.1.5 Intermediate scale test of vertical flame spread ISO 5658-4 8 . 14 4.1.6 Fire prop

23、agation apparatus, ISO 12136 9 . 15 4.1.7 Vertical burning test for aircraft materials FAR 25 19 . 16 4.1.8 Horizontal burning rate for road vehicle materials ISO 3795 20. 17 4.2 Large-scale burning tests . 17 4.2.1 General 17 4.2.2 Vertical burning tests for cables (ladder tests) 17 4.2.3 Vertical

24、burning test for cables NF C 32-070 40 . 18 4.2.4 Vertical burning test for riser cables UL 1666 41 23 4.2.5 Horizontal flame spread test for cables EN 50289-4-11 and NFPA 262 . 23 Annex A (informative) Repeatability and reproducibility data ISO 5658-2 25 Annex B (informative) Repeatability and repr

25、oducibility data ISO 5658-4 26 Annex C (informative) Repeatability and reproducibility data NFPA 262 27 Bibliography 28 Table 1 Summary and comparison of IEC 60332 vertical ladder test methods 21 a)19 Table 2 Summary and comparison of non-IEC vertical ladder test methods 21 Table A.1 Interlaboratory

26、 test data for ISO 5658-2 . 25 Table B.1 Reproducibility and repeatability data for ISO 5658-4 . 26 Table C.1 Repeatability and reproducibility data for NFPA 262 27 BS EN 60695-9-2:2014IEC 60695-9-2:2014 IEC:2014 5 INTRODUCTION The risk of fire needs to be considered in any electrical circuit. The o

27、bjective of component, circuit and equipment design, as well as the choice of materials, is to reduce the likelihood of fire, even in the event of foreseeable abnormal use, malfunction or failure. Electrotechnical products, primarily as victims of fire, may nevertheless contribute to the fire. Fire

28、hazard increases as the burning area increases, leading in some cases to flashover and a fully developed fire. This is a typical fire scenario in buildings. It is therefore useful to measure the rate and extent of the surface spread of flame. This part of IEC 60695-9 describes surface spread of flam

29、e test methods in common use to assess electrotechnical products or materials used in electrotechnical products. It forms part of the IEC 60695-9 series which gives guidance to product committees wishing to incorporate test methods for surface spread of flame in product standards. IEC 60695-9 consis

30、ts of the following parts: Part 9-1: Surface spread of flame General guidance Part 9-2: Surface spread of flame Summary and relevance of test methods. BS EN 60695-9-2:2014 6 IEC 60695-9-2:2014 IEC:2014 FIRE HAZARD TESTING Part 9-2: Surface spread of flame Summary and relevance of test methods 1 Scop

31、e This part of IEC 60695 presents a summary of published test methods that are used to determine the surface spread of flame of electrotechnical products or materials from which they are formed. It represents the current state of the art of the test methods and, where available, includes special obs

32、ervations on their relevance and use. The list of test methods is not to be considered exhaustive, and test methods that were not developed by IEC TC89 are not to be considered as endorsed by IEC TC89 unless this is specifically stated. This summary cannot be used in place of published standards whi

33、ch are the only valid reference documents. This basic safety publication is intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and ISO/IEC Guide 51. One of the responsibilities of a technical committee is, wherever ap

34、plicable, to make use of basic safety publications in the preparation of its publications. The requirements, test methods or test conditions of this basic safety publication will not apply unless specifically referred to or included in the relevant publications. 2 Normative references The following

35、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 60695-4, Fire haz

36、ard testing Part 4: Terminology concerning fire tests for electrotechnical products IEC 60695-9-1, Fire hazard testing Part 9-1: Surface spread of flame General guidance IEC Guide 104, The preparation of safety publications and the use of basic safety publications and group safety publications ISO/I

37、EC Guide 51, Safety aspects Guidelines for their inclusion in standards ISO 13943:2008, Fire Safety Vocabulary BS EN 60695-9-2:2014IEC 60695-9-2:2014 IEC:2014 7 3 Terms and definitions For the purposes of this document, terms and definitions given in ISO 13943 and IEC 60695-4, some of which are repr

38、oduced below for the users convenience, as well as the following additional definitions, apply: 3.1 burned length maximum extent in a specified direction of the burned area Note 1 to entry: The typical units are metres (m). cf. damaged length (3.6) SOURCE: ISO 13943: 2008, definition 4.31 3.2 char,

39、noun carbonaceous residue resulting from pyrolysis (3.26) or incomplete combustion (3.5) SOURCE: ISO 13943: 2008, definition 4.38 3.3 char length length of charred area cf. burned length (3.1) and damaged length (3.6) Note 1 to entry: In some standards, char length is defined by a specific test meth

40、od. SOURCE: ISO 13943: 2008, definition 4.40 3.4 combustible, noun item capable of combustion (3.5) SOURCE: ISO 13943: 2008, definition 4.44 3.5 combustion exothermic reaction of a substance with an oxidizing agent Note 1 to entry: Combustion generally emits fire effluent accompanied by flames (3.14

41、) and/or glowing. SOURCE: ISO 13943: 2008, definition 4.46 3.6 damaged length maximum extent in a specified direction of the damaged area cf. char length (3.3) and burned length (3.1) SOURCE: ISO 13943: 2008, definition 4.60 3.7 extent of combustion electrotechnical maximum length of a test specimen

42、 that has been destroyed by combustion (3.5) or pyrolysis (3.26), under specified test conditions, excluding any region damaged only by deformation BS EN 60695-9-2:2014 8 IEC 60695-9-2:2014 IEC:2014 SOURCE: ISO 13943: 2008, definition 4.91 3.8 fire general process of combustion (3.5) characterized b

43、y the emission of heat and fire effluent and usually accompanied by smoke, flame (3.14), glowing or a combination thereof Note 1 to entry: In the English language the term “fire” is used to designate three concepts, two of which, fire (3.9) and fire (3.10), relate to specific types of self-supportin

44、g combustion with different meanings and two of them are designated using two different terms in both French and German. SOURCE: ISO 13943: 2008, definition 4.96 3.9 fire controlled self-supporting combustion (3.5) that has been deliberately arranged to provide useful effects and is limited in its e

45、xtent in time and space SOURCE: ISO 13943: 2008, definition 4.97 3.10 fire uncontrolled self-supporting combustion (3.5) that has not been deliberately arranged to provide useful effects and is not limited in its extent in time and space SOURCE: ISO 13943: 2008, definition 4.98 3.11 fire hazard phys

46、ical object or condition with a potential for an undesirable consequence from fire (3.10) SOURCE: ISO 13943: 2008, definition 4.112 3.12 fire retardant, noun substance added, or a treatment applied, to a material in order to delay ignition (3.22) or to reduce the rate of combustion (3.5) SOURCE: ISO

47、 13943: 2008, definition 4.123, modified by deletion of “cf. flame retardant” 3.13 fire scenario qualitative description of the course of a fire (3.10) with respect to time, identifying key events that characterise the studied fire and differentiate it from other possible fires Note 1 to entry: It t

48、ypically defines the ignition (3.22) and fire growth processes, the fully developed fire (3.20) stage, the fire decay stage, and the environment and systems that impact on the course of the fire. SOURCE: ISO 13943: 2008, definition 4.129 3.14 flame, noun zone in which there is rapid, self-sustaining

49、, sub-sonic propagation of combustion (3.5) in a gaseous medium, usually with emission of light SOURCE: ISO 13943: 2008, definition 4.133 modified by the addition of “zone in which there is” BS EN 60695-9-2:2014IEC 60695-9-2:2014 IEC:2014 9 3.15 flame front boundary of flaming combustion (3.5) at the surface of a material or propagating through a gaseous mixture SOURCE: ISO 13943: 2008, definition 4,136 3.16 flam

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