BRITISHSTANDARDBS7671:2001AmendmentNo1:2002(AMD13628)RequirementsforElectricalInstallationsIEEWiringRegulationsSixteenthEditionCopiesmaybeobtainedfromTheInstitution’swebsite::+44(0)1438767328Fax:+44(0)1438742792Email:sales@iee.org.uk©BSIANDTHEINSTITUTIONOFELECTRICALENGINEERS2002NOCOPYINGINANYFORMWITHOUTWRITTENPERMISSIONAmendmentNo1,(AMD13628)February2002标准分享网免费标准下载站 CDBS7671:2001AmendmentNo1(AMD13628)2ContentsIntroductiontoAmendmentNo1(AMD13628)toBS7671:20012TABLE4A1ScheduleofInstallationMethodsofCables(includingReferenceMethod)4TABLE4A2Scheduleofappropriatecurrentratingtables4TABLE4D1ASingle-core70°Cthermoplastic(pvc)insulatedcables,non-armoured,withorwithoutsheath(COPPERCONDUCTORS)5TABLE4D5A70°Cthermoplastic(pvc)insulatedandsheathedflatcablewithprotectiveconductor(COPPERCONDUCTORS)6IntroductiontoAmendmentNo1(AMD13628)toBS7671:2001AmendmentNo1toBS7671:2001providestableratingsspecificallyforUKNationalTypeinsulatedandsheathedflattwincableswithprotectiveconductor(Table4D5A).TheseratingsaregenerallygreaterthanthoseratingsgiveninTable4D2A.Regulation433-02-04isamendedtorequiretheratingsofringcircuitcablestobenotlessthan20Ainsteadof0.67In.Other,generallyeditorial,changeshavebeenmade.Thisamendmentcomesintoeffecton1stFebruary2002.Publishedby:TheInstitutionofElectricalEngineers,LONDON©1992,1994,1997,2000,2001,2002InstitutionofElectricalEngineersandBritishStandardsInstitutionAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmittedinanyformorbyanymeans-electronic,mechanical,photocopying,recordingorotherwise-withoutthepriorwrittenpermissionofthepublisher.标准分享网免费标准下载站 CDBS7671:2001AmendmentNo1(AMD13628)3Amend433-02-04asfollows.433-02-04Foraringfinalcircuitprotectedbya30Aor32AprotectivedevicecomplyingwithBS88,BS1361,BS3036,BSEN60898,BSEN60947-2orBSEN61009-1(RCBO)andsupplyingaccessoriestoBS1363andwiredwithcopperconductors,theminimumcross-sectionalareaofbothphaseandneutralconductorsis2.5mm2exceptfortwo-coremineralinsulatedcablestoBS6207forwhichtheminimumis1.5mm2.SuchringfinalcircuitsaredeemedtomeettherequirementsofRegulation433-02-01ifthecurrent-carryingcapacity(Iz)ofthecableisnotlessthan0.67timestheratedcurrentorthecurrentsetting(In)oftheprotectivedevice20A,andif,undertheintendedconditionsofuse,theloadcurrentinanypartoftheringisunlikelytoexceedforlongperiodsthecurrent-carryingcapacity(Iz)ofthecable.Reason:torequirethatthecurrentcarryingcapacityofringcircuitcablesbenotlessthan20AandtorequirethattheloadcurrentinanypartofringfinalcircuitsisunlikelytoexceedIzforlongperiods,seeRegulation433-01-01.Amend604-02-02(i)and(ii)asfollows.604-02-02(i)25V,1-phase,SELV-portablehandlampsinconfinedordamplocations(ii)50V,1-phase,SELV-portablehandlampsinconfinedordamplocationsDeletedbyBS7671:2001,AmendmentNo1.Reason:tocorrectaneditorialerror.Amend607-02-02asfollows.607-02-02Equipmenthavingaprotectiveconductorcurrentexceeding3.5mAbutnotexceeding10mA,shalleitherbepermanentlyconnectedtothefixedwiringoftheinstallationwithouttheuseofaplugandsocket-outletorconnectedbymeansofaconnectorplugandsocketcomplyingwithBSEN60309-2.Reason:tocorrectanerror.AmendAppendix4,Contentsasfollows.COPPERCONDUCTORS70°CTHERMOPLASTIC(PVC)INSULATEDCABLESTable4D1Single-corenon-armoured,withorwithoutsheathTable4D2Multicorenon-armouredTable4D3Single-corearmoured(non-magneticarmour)Table4D4MulticorearmouredTable4D5FlatcablewithprotectiveconductorReason:toincludeTable4D5Aaddedbytheamendment.标准分享网免费标准下载站 CDBS7671:2001AmendmentNo1(AMD13628)4AmendTable4A1asfollows.TABLE4A1ScheduleofInstallationMethodsofCables(includingReferenceMethod)InstallationmethodNumberDescriptionExamplesAppropriateReferenceMethodfordeterminingcurrent-carryingcapacity12346Sheathedcablesinconduitinathermallyinsulatingwalletc.(otherwiseasReferenceMethod4)ReferenceMethod4orReferenceMethod6forcabletypecoveredbyTable4D5A.15Sheathedcablesinstalleddirectlyinathermallyinsulatingwalloraboveathermallyinsulatingceiling,thecablebeingincontactwithathermallyconductivesurfaceononeside(otherwiseasReferenceMethod4)ReferenceMethod4orReferenceMethod15forcabletypecoveredbyTable4D5A.Reason:toincludeTable4D5Aaddedbytheamendment.Note,boldfontisusedbecausetheMethodisalsoaReferenceMethod.AmendTable4A2,BS6004asfollows.TABLE4A2ScheduleofappropriatecurrentratingtablesSpecificationNumberSpecificationTitleApplicableCurrentRatingTablesConductorOperatingTemperatureBS6004:2000Electriccables.PVCinsulated,non-armouredcablesforvoltagesuptoandincluding450/750V,forelectricpower,lightingandinternalwiring.PVCinsulatedandsheathedflatcablewithprotectiveconductortoTable8Table4D1,Table4D2Table4E1Table4D570oC,90oC70oCReason:toincludeTable4D5Aaddedbytheamendment.标准分享网免费标准下载站 CDBS7671:2001AmendmentNo1(AMD13628)5AmendTable4D1A,2.5mm2conductor,column2asfollows.TABLE4D1ASingle-core70°Cthermoplastic(pvc)insulatedcables,non-armoured,withorwithoutsheath(COPPERCONDUCT