英国电网要求 bs-7671-2018_a1_2020-inc-corrigendum-may-2020_read-only.docx

BRITISHSTANDARDBS7671:2018Amendment1:2020RequirementsforElectricalInstallationsbsi.IETWiringRegulationsEighteenthEdition©TheInstitutionofEngineeringandTechnologyandBSI.NOCOPYINGINANYFORMWITHOUTWRITTENPERMISSIONPublicationInformationPublishedbytheInstitutionofEngineeringandTechnology,London,UnitedKingdominagreementwithBSLIEbsi.TheInstitutionofEngineeringandTechnologyisregisteredasaCharityinEngland&Wales(no.211014)andScotland(no.SC038698).TheInstitutionofEngineeringandTechnologyistheinstitutionformedin2(X)6bythejoiningtogetheroftheIEE(theInstitutionofElectricalEngineers)andtheIIE(theInstitutionofIncorporatedEngineers).BritishStandardsInstitutionistheindependentnationalbodyresponsibleforpreparingBritishStandards.ItpresentstheUKviewonstandardsinEuropeandattheinternationallevel.ItisincorporatedbyRoyalCharter.©2008,2011,2013,2015,2018,2020theInstitutionOfEngineeringandTechnologyandBSIThisBritishStandardwaspublishedunderthejointauthorityoftheIETandoftheStandardsPolicyandStrategyCommitteeon1July2018.ThispublicationiscopyrightundertheBemeConventionandtheUniversalCopyrightConvention.Allrightsreserved.Apartfromanyfairdealingfbrthepurposesofresearchorprivatestudy,orcriticismorreview,aspermittedundertheCopyright,DesignsandPatentsAct1988thispublicationmaybereproduced,storedortransmitted,inanyformorbyanymeans,onlywiththepriorpermissioninwritingofthepublishers,orinthecaseofreprographicreproductioninaccordancewiththetermsoflicencesissuedbytheCopyrightLicensingAgency.EnquiriesconcerningreproductionoutsidethosetermsshouldbesenttothepublishersalTheInstitutionofEngineeringandTechnology,MichaelFaradayHouse,SixHillsWay,Stevenage,SGl2AY,UnitedKingdomWhilethepublisherandcontributorsbelievethattheinformationandguidancegiveninthisworkiscorrect,allpartiesmustrelyupontheirownskillandjudgementwhenmakinguseofit.Thepublisherandcontributorsdonotassumeanyliabilitytoanyoneforanylossordamagecausedbyanyerrororomissioninthework,whethersucherrororomissionistheresultofnegligenceoranyothercause.Anyandallsuchliabilityisdisclaimed.TheUKparticipationinitspreparationwasentrustedtoJointTechnicalCommitteeJPEL/64ElectricalInstallations.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsiblefbritscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.TheIETistakingtheissuesfoundwithdangerouscounterfeitsofitstitlesveryseriously.Forinformationoncounterfeits,thehologramandhowtoidentifygenuineIETpublications,visit:https:/electrical.theiet.org/bs-7671/fake-awareness/ItistheconstantaimoftheIETandBSltoimprovethequalityofourproductsandservices.WeshouldbegratefulifanyonefindinganinaccuracyorambiguitywhileusingthisBritishStandardwouldinformtheSecretary,GDCronshawgcronshawtheiet.org,TheIET,SixHillsWay,Stevenage,SGl2AY,UnitedKingdom.ISBN978-1-83953-193-4(electronic)ISBN978-1-83953-194-1(VBID)TypesetintheUKbytheInstitutionofEngineeringandTechnology,StevenageCONTENTSFOREWORD4INTRODUCTIONTOAMENDMENT1:20204EDITIONS5PREFACE5NOTEBYTHEHEALTHANDSAFETYEXECUTIVE6NOTESONTHEPLANOFTHE18thEDITION6PART2DEFINITIONS7SYMBOLSUSEDINTHESTANDARD8PART7SPECIALINSTALLATIONSORLOCATIONS9SECTION700GENERAL9SECTION722ELECTRICVEHICLECHARGINGINSTALLATIONS9ANNEXA722GUIDANCEFORTNSYSTEMSWHEREPMECONDITIONSAPPLY13APPENDIX1(Normative)BRITISHSTANDARDSTOWHICHREFERENCEISMADEINTHISSTANDARD15INDEX16ForewordThisBritishStandardispublishedunderthedirectionoftheBritishEleclrotechnicalCommittee(BEC)andtheInstitutionofEngineeringandTechnology(IET).Followingafullreview,thisStandardreplacedthe17thEditionoftheIEEWiringRegulationsBS7671:2008asamended.CopyrightisheldjointlybytheIETandBSI.TechnicalauthorityforthisStandardisvestedintheJoint1ETBS1TechnicalCommitteeJPEL/64.ThisJointTechnicalCommittee,whichisresponsiblefortheworkpreviouslyundertakenbytheIEEWiringRegulationsCommitteeandtheBSITechnicalCommitteePEL64,meetstheconstitutionalandoperationalrequirementsofbothparentbodies.JPEL/64hastheresponsibilityforthecontentofthisBritishStandardunderthejointauthorityoftheIETandtheBSIStandardsBoard.AllreferencesinthistexttotheWiringRegulationsortheRegulation(s),wherenototherwisespecificallyidentified,shallbetakentorefertoBS7671:2018RequirementsforElectricalInstallationsasamendedbyAmendment1,2020.AdditionsoralterationstoregulationsowingtotheissueofBS7671:2018areindicatedbyasidebarinthemargin.IntroductiontoAmendment1:2020Amendment1:2020toBS7671:2018RequirementsforElectricalInstallationswasissuedon1stFebruary2020andmaybeimplementedimmediately.ElectricalinstallationsfallingwithinthescopeofSection722,theerectionofwhichiscommencedafter31stJuly2020,aretocomplywithBS7671:2018incorporatingAmendment1:2020.Amendment1:2020amendsSection722ElectricVehicleChargingInstallations.Part2DefinitionsrelatingtoSection722havebeenincluded.Section70