1、nullnullnullnullnullnullnull nullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnullnullnullnullnull nullnull
2、nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnull nullnull nullnullnullnull nullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnulln
3、ullnull nullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnullnull+A1:20
4、13National forewordThis British Standard is the UK implementation of EN 61034-2:2005+A1:2013. It is identical to IEC 61034-2:2005, incorporating amendment 1:2013. It supersedes BS EN 61034-2:2005 which will be withdrawn on 25 June 2016.The start and finish of text introduced or altered by amendment
5、is indicated in the text by tags. Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by .The UK participation in its preparation was entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/18,
6、Fire testing.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confe
7、r immunity from legal obligations.BS EN 61034-2:2005+A1:2013This British Standard was published under the authority of the Standards Policy andStrategy Committee on 21 October 2005 The British Standards Institution 2013. Published by BSI Standards Limited 2013.Amendments/corrigenda issued since publ
8、icationDate Comments 31 October 2013 Implementation of IEC amendment 1:2013 with CENELEC endorsement A1:2013. Annex ZA updatedISBN 978 0 580 74858 5EUROPEAN STANDARD EN 61034-2:2005+A1NORME EUROPENNEEUROPISCHENORM August 2013CENELECEuropean Committeefor Electrotechnical StandardizationComitEuropende
9、NormalisationElectrotechniqueEuropisches Komitee fr ElektrotechnischeNormungCentralSecretariat:ruedeStassart35,B-1050 Brussels 2005 CENELEC- All rights of exploitation in anyformand by any means reserved worldwidefor CENELECmembers.Ref.No. EN 61034-2:2005 EICS13.220.40; 29.020; 29.060.20Englishversi
10、onMeasurement of smokedensityofcables burning under definedconditions Part 2:Test procedureand requirements (IEC 61034-2:2005)Mesuredeladensit de fumes dgages par des cbles brlantdans des conditions dfinies Partie 2: Procdure dessai et exigences (CEI 61034-2:2005)Messung der Rauchdichte vonKabelnund
11、 isolierten Leitungen beimBrennenunter definierten BedingungenTeil 2: Prfverfahren undAnforderungen(IEC 61034-2:2005)This European Standardwas approved by CENELEC on 2005-06-01. CENELEC membersare bound tocomply with the CEN/CENELECInternal Regulations which stipulate theconditions for giving this E
12、uropeanStandard the status of anational standard without anyalteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained onapplication to the Central Secretariat or toany CENELECmember.This EuropeanStandardexists in threeofficial versions (English, Fr
13、ench,German).Aversion in any otherlanguage made by translation under the responsibility of aCENELEC member into its ownlanguage andnotified to the Central Secretariat has the same status as the officialversions.CENELEC membersare the nationalelectrotechnical committeesofAustria, Belgium, Cyprus,Czec
14、hRepublic, Denmark, Estonia, Finland, France, Germany,Greece, Hungary,Iceland,Ireland, Italy,Latvia,Lithuania,Luxembourg, Malta, Netherlands, Norway,Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,Switzerland and United Kingdom.ForewordThe text of document 20/755/FDIS, futureedition 3ofIEC 61034
15、-2, prepared by IECTC20, Electriccables,was submitted to the IEC-CENELEC parallel vote andwas approved by CENELECasEN 61034-2 on 2005-06-01.Theprincipal changes with respect to EN 50268-2 areas follows:a) inclusion of non-circular cables;b) addition of guidanceon testing cables above 80 mm diameter;
16、c) delineation of elements of the test report; d) addition of guidanceon thecalculation for other parametersfor fire safety engineering purposes.Thefollowing dates werefixed:latestdatebywhich the EN has to be implementedat nationallevel by publication of an identicalnational standardor by endorsemen
17、t (dop) 2006-03-01latest datebywhich the national standards conflictingwith the EN have tobewithdrawn (dow) 2008-06-01Annex ZA has been added by CENELEC._Endorsement noticeThe text of the International StandardIEC 61034-2:2005 was approvedbyCENELEC as a EuropeanStandardwithout anymodification.In the
18、official version,for Bibliography, thefollowingnotehas tobeadded for the standardindicated:IEC 60695-6-1 NOTE Harmonized as EN 60695-6-1:2005 (not modified)._BS EN 61034-2:2005+A1:2013 EN 61034-2:2005+A1:2013 (E) 2 Foreword to amendment A1The text of document 20/1429/FDIS, future edition 3 of IEC 61
19、034-2:2005/A1, prepared by IEC TC 20, “Electric cables” was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61034-2:2005/A1:2013. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national
20、standard or by endorsement (dop) 2014-03-25 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-06-25 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 shall n
21、ot be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Standard IEC 61034-2
22、:2005/A1:2013 was approved by CENELEC as a European Standard without any modification. BS EN 61034-2:2005+A1:2013 EN 61034-2:2005+A1:2013 (E) 3 BS EN 61034-2:2005+A1:2013 EN 61034-2:2005+A1:2013 (E) 4 CONTENTSINTRODUCTION1Scope. 2Normativereferences 3Terms and definitions . .4Testapparatus . . 5Test
23、assembly . 5.1 Test sample . .5.2 Cable testpieceselection and testsample assembly 5.3 Positioning of test sample .6Testprocedure . .7Evaluation of testresults.8Retestprocedure 9TestreportBibliography1Annex A(informative) Guidanceonthe principles and useofsmoke measurements . 1Annex B(informative) R
24、ecommended performancerequirement . 1Annex ZA (normative)Normative references to internationalpublications with their correspondingEuropeanpublications 1Figure1Method of binding forbundles of test pieces Figure 2 Method of support of test sample 127777888991 01 01 081 14795BS EN 61034-2:2005+A1:2013
25、 EN 61034-2:2005+A1:2013 (E) 5 INTRODUCTIONThemeasurement of smokedensity is animportant aspect in the evaluation of the burningperformanceofcables as it is related to the evacuation of persons and accessibility forfirefighting.IEC 61034 is published in twoparts,which together specifyamethod of test
26、 formeasurement of smoke density of cables burning under defined conditions.Users of this testare remindedthat the configurations ofcable in the test(i.e. as testpieces or bundles of testpieces) maynot represent actual installation conditions.Part 1gives details of the testapparatus and verification
27、 procedure to be used for themeasurement of smokedensity of the products of combustion of cables burnt under definedconditions.It includes details ofa testenclosureof 27m volume, aphotometric system for light measurement, the fire source, smoke mixing method and a qualification procedure.This Part 2
28、gives the testprocedure, together withaninformativeannex giving recommendedrequirements for compliancewhereno specified requirement is given in the particular cablestandardor specification. Themeasurement of smoke density is expressedin terms ofminimum levels of light transmittance,and Annex Aexplai
29、ns possibilities for using thesevaluesfor fire safety engineering calculations.This page deliberately set blanknullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnulln
30、ullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullThis partofIEC 61034 provides details of the testprocedure to be employed f
31、or themeasurement of the density of smoke emitted from cables burning under defined conditions.It describes the means ofpreparing and assembling cables for test, the method of burning thecables,and gives recommended requirements for evaluating test results.null nullnullnullnullnullnullnullnullnullnu
32、llnullnullnullnullnullnullnullnullnullThefollowing referenced documents areindispensable for the applicationof this document. Fordated references,only the edition cited applies. For undated references, the latestedition ofthe referenced document (including any amendments)applies.IEC 60695-4, nullnul
33、lnullnull nullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullIEC 61034-1, nullnullnullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnulln
34、ullnullnullnullnullnullnull nullnull nullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnullnullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnull nullnull nullnullnullnull nullnullnullnullnullnullnullnullnullIECGuide 104:1997, nullnullnullnull
35、nullnullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnull nullnullnull nullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnull nul
36、lnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullISO/IEC 13943:2000, nullnullnullnull nullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullFor the purposes of this document, the terms
37、 and definitions inIEC 60695-4apply,orifa termis not defined in IEC 60695-4then the definition in ISO/IEC 13943 applies.nullnullnullnullnullnullnullnullnullnullnullnullnullnullThe testproceduredefined in this Part 2ofIEC 61034 shall be carried out using the testapparatus,i.e. testenclosure, photomet
38、ric system and standard fire source,given inIEC 61034-1.IEC 60811-203, Electric and optical fibre cables Test methods for non-metallic materials Part 203: General tests Measurement of overall dimensions BS EN 61034-2:2005+A1:2013 EN 61034-2:2005+A1:2013 (E) 7 nullnullnullnullnullnullnullnullnullnull
39、nullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullThe testsample shall consistofone or more testpieces ofcable, each1,00 m0,05 mlong,which shall be carefully straightened and then conditioned for at least16hat 23 C 5C.nullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnu
40、llnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullForcables with an overall diameter greate
41、r than 5,0 mm , thenumber of testpieces requiredto make up the test sample shall be in accordancewithTable 1.nullnullnullnullnull null nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnulln
42、ullnullnull null null null mmnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull12 3 null 1wherenull 1 = 45nulltest piecesThe value of null 1 shallbe rounded downwards to theinteger to give thenumber of test pieces.For cables with an overall diameter of less than or equal to 5,0
43、 mm, but note less than 1,0 mmseven test pieces shall be formed into abundle. Thenumber ofbundles (null 2 ) required to makeup the test sample shall be calculated according to the followingformula:null 2 =null345Thevalue of null 2 shall be rounded downwards to theinteger togive thenumber of bundles.
44、Foreachbundle, the seven test pieces shall be twisted together withalay between 20 null and30 null and bound with two turns of approximately0,5 mm diameter wirein the centreand at every100 mm each sidefrom the centre(seeFigure1).5.2.1.2 Cables with an overall diameter of less than or equal to 5,0 mm
45、, but not less than 1,0 mm20,0 40,05.2.1.1 Cables with an overall diameter greater than 5,0 mm The cable diameter shall be measured using the method given in IEC 60811-203. Themeasurement shall be made at each of three places, separated by at least 1 m.The average of the three values obtained shall
46、be rounded to obtain the overall diameter. If the calculation gives 5 or more for the second decimal figure, raise the first to the next number; thus, for example, 5,75 is rounded to 5,8 and 5,74 to 5,7.The overall diameter obtained shall be used for the selection of the number of test pieces.BS EN
47、61034-2:2005+A1:2013 EN 61034-2:2005+A1:2013 (E) 8 5.2.1.0 Generalnullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullThe test sample shall remain in s
48、itu during the testas follows:individual testpieces or bundles of testpieces shall be bound together at the ends,and at 300mmfromeachend, at whichplace they shall be clamped to the supportbymeans ofwire binders.NOTEDepending upon construction, test samplesprepared from small cables or flexible cable
49、s may be subject tomovementduring the test.In thesecases,it is also recommended that the test pieces or bundles are bound withtwo turns ofapproximately0,5 mm diameter wire in the centre and at every 100 mm each side from thecentre.Alternatively, the test pieces or bundles maybe tensioned at one or bothends bymeans ofanappropriatedevice,for examplea spring or aweight.nullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullThe tray containing thealcohol s
