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首页 UL943 Ground-Fault Circuit-Interrupters

UL943 Ground-Fault Circuit-Interrupters.pdf

UL943 Ground-Fault Circuit-Inte…

meng
2011-01-08 0人阅读 举报 0 0 暂无简介

简介:本文档为《UL943 Ground-Fault Circuit-Interrupterspdf》,可适用于工程科技领域

ULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULULISBNGroundFaultCircuitInterruptersULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULUnderwritersLaboratoriesInc(UL)PfingstenRoadNorthbrook,ILULStandardforSafetyforGroundFaultCircuitInterrupters,ULFourthEdition,DatedFebruary,SummaryofTopicsThisistheharmonizedtrinationalStandard(FourthEdition)forGroundFaultCircuitInterrupters,UL,andincludestheAdditionofRequirementsfortheGFCIReceptacleEndofLifeTest,AdditionofRequirementsfortheReverseLineLoadMiswireTest,andothermiscellaneousrevisionsThenewrequirementsaresubstantiallyinaccordancewithUL’sProposal(s)onthissubjectdatedJune,Asindicatedonthetitlepage(page),thisULStandardforSafetyisanAmericanNationalStandardAttentionisdirectedtothenoteonthetitlepageofthisStandardoutliningtheprocedurestobefollowedtoretaintheapprovedtextofthisANSIULStandardAsindicatedonthetitlepage(page),thisULStandardforSafetyhasbeenadoptedbytheDepartmentofDefenseTheULForewordisnolongerlocatedwithintheULStandardForinformationconcerningtheuseandapplicationoftherequirementscontainedinthisStandard,thecurrentversionoftheULForewordislocatedonULStandardsInfoNetat:http:ulstandardsinfonetulcomulforewordhtmlThemasterforthisStandardatUL’sNorthbrookOfficeistheofficialdocumentinsofarasitrelatestoaULserviceandthecomplianceofaproductwithrespecttotherequirementsforthatproductandservice,oriftherearequestionsregardingtheaccuracyofthisStandardUL’sStandardsforSafetyarecopyrightedbyULNeitheraprintedcopyofaStandard,northedistributiondisketteforaStandardonDisketteandthefilefortheStandardonthedistributiondisketteshouldbealteredinanywayAllofUL’sStandardsandallcopyrights,ownerships,andrightsregardingthoseStandardsshallremainthesoleandexclusivepropertyofULAllrightsreservedNopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformbyanymeans,electronic,mechanicalphotocopying,recording,orotherwisewithoutpriorpermissionofULRevisionsofULStandardsforSafetyareissuedfromtimetotimeAULStandardforSafetyiscurrentonlyifitincorporatesthemostrecentlyadoptedrevisionsULprovidesthisStandard″asis″withoutwarrantyofanykind,eitherexpressedorimplied,includingbutnotlimitedto,theimpliedwarrantiesofmerchantabilityorfitnessforanypurposeInnoeventwillULbeliableforanyspecial,incidental,consequential,indirectorsimilardamages,includinglossofprofits,lostsavings,lossofdata,oranyotherdamagesarisingoutoftheuseofortheinabilitytousethisStandard,evenifULoranauthorizedULrepresentativehasbeenadvisedofthepossibilityofsuchdamageInnoeventshallUL’sliabilityforanydamageeverexceedthepricepaidforthisStandard,regardlessoftheformoftheclaimFEBRUARY,−ULtrULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULULwillattempttoanswersupportrequestsconcerningelectronicversionsofitsStandardsHowever,thissupportserviceisofferedonareasonableeffortsbasisonly,andULmaynotbeabletoresolveeverysupportrequestULsupportstheelectronicversionsofitsStandardsonlyiftheyareusedundertheconditionsandoperatingsystemsforwhichitisintendedUL’ssupportpoliciesmaychangefromtimetotimewithoutnotificationULreservestherighttochangetheformat,presentation,filetypesandformats,deliverymethodsandformats,andthelikeofbothitsprintedandelectronicStandardswithoutpriornoticePurchasersoftheelectronicversionsofUL’sStandardsforSafetyagreetodefend,indemnify,andholdULharmlessfromandagainstanyloss,expense,liability,damage,claim,orjudgement(includingreasonableattorney’sfees)resultingfromanyerrorordeviationintroducedwhilepurchaserisstoringanelectronicStandardonthepurchaser’scomputersystemIfasingleuserversionelectronicStandardwaspurchased,onecopyofthisStandardmaybestoredontheharddiskofasinglepersonalcomputer,oronasingleLANfileserverorthepermanentstoragedeviceofamultipleusercomputerinsuchamannerthatthisStandardmayonlybeaccessedbyoneuseratatimeandforwhichthereisnopossibilityofmultipleconcurrentaccessIfamultipleuserversionelectronicStandardwaspurchased,onecopyoftheStandardmaybestoredonasingleLANfileserver,oronthepermanentstoragedeviceofamultipleusercomputer,oronanIntranetserverThenumberofconcurrentusersshallnotexceedthenumberofusersauthorizedElectronicStandardsareintendedforonlineuse,suchasforviewingtherequirementsofaStandard,conductingawordsearch,andthelikeOnlyonecopyoftheStandardmaybeprintedfromeachsingleuserversionofanelectronicStandardOnlyonecopyoftheStandardmaybeprintedforeachauthorizeduserofamultipleuserversionofanelectronicStandardBecauseofdifferencesinthecomputersoftwareprintersetupusedbyULandthoseofelectronicStandardspurchasers,theprintedcopyobtainedbyapurchasermaynotlookexactlyliketheonlinescreenviewortheprintedStandardAnemployeeofanorganizationpurchasingaULStandardcanmakeacopyofthepageorpagesbeingviewedfortheirownfairandorpracticalinternaluseTherequirementsinthisStandardarenowineffect,exceptforthoseparagraphs,sections,tables,figures,andorotherelementsoftheStandardhavingfutureeffectivedatesasindicatedintheprefaceThepriortextforrequirementsthathavebeenrevisedandthathaveafutureeffectivedatearelocatedaftertheStandard,andareprecededbya″SUPERSEDEDREQUIREMENTS″noticeNewproductsubmittalsmadepriortoaspecifiedfutureeffectivedatewillbejudgedunderalloftherequirementsinthisStandardincludingthoserequirementswithaspecifiedfutureeffectivedate,unlesstheapplicantspecificallyrequeststhattheproductbejudgedunderthecurrentrequirementsHowever,iftheapplicantelectsthisoption,itshouldbenotedthatcompliancewithalltherequirementsinthisStandardwillberequiredasaconditionofcontinuedListingandFollowUpServicesaftertheeffectivedate,andunderstandingofthisshouldbesignifiedinwritingCopyright©UnderwritersLaboratoriesIncThisStandardconsistsofpagesdatedasshowninthefollowingchecklist:PageDateFebruary,SASAFebruary,FEBRUARY,−ULtrULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULAssociationofStandardizationandCertificationNMXJANCEFirstEditionCanadianStandardsAssociationCSACNo–FirstEditionUnderwritersLaboratoriesIncULFourthEditionGroundFaultCircuitInterruptersFebruary,ANSIULULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULCommitmentforAmendmentsThisStandardisissuedjointlybytheNationalAssociationofStandardizationandCertificationoftheElectricalSector(ANCE),theCanadianStandardsAssociation(CSA),andUnderwritersLaboratoriesInc(UL)CommentsorproposalsforrevisionsonanypartoftheStandardmaybesubmittedtoANCE,CSA,orULatanytimeRevisionstothisStandardwillbemadeonlyafterprocessingaccordingtothestandardsdevelopmentproceduresofANCE,CSA,andULCSAandULwillissuerevisionstothisStandardbymeansofaneweditionorrevisedoradditionalpagesbearingtheirdateofissueANCEwillincorporatethesamerevisionsintoaneweditionoftheStandardbearingthesamedateofissueastheCSAandULpagesCopyright©ANCERightsreservedinfavorofANCEISBN–––©CanadianStandardsAssociationAllrightsreservedNopartofthispublicationmaybereproducedinanyformwhatsoeverwithoutthepriorpermissionofthepublisherISBNCopyright©,UnderwritersLaboratoriesIncRevisionsofthisStandardwillbemadebyissuingrevisedoradditionalpagesbearingtheirdateofissueAULStandardiscurrentonlyifitincorporatesthemostrecentlyadoptedrevisions,allofwhichareitemizedonthetransmittalnoticethataccompaniesthelatestsetofrevisedrequirementsThemostrecentdesignationofANSIULasanAmericanNationalStandard(ANSI)occurredonNovember,ThisANSIULStandardforSafety,whichconsistsoftheFourtheditionisundercontinuousmaintenance,wherebyeachrevisionisANSIapproveduponpublicationCommentsorproposalsforrevisionsonanypartoftheStandardmaybesubmittedtoULatanytimeProposalsshouldbesubmittedviaaProposalRequestinUL’sOnLineCollaborativeStandardsDevelopmentSystem(CSDS)athttp:csdsulcomTheDepartmentofDefense(DoD)hasadoptedULonNovember,ThepublicationofrevisedpagesoraneweditionofthisStandardwillnotinvalidatetheDoDadoptionULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULCONTENTSPrefaceScopeNormativeReferencesDefinitionsGeneralComponentsUnitsofmeasurementConstructionAlltypesResistancetocorrosionGroundingEnclosureandhousingProvisionforconnectiontopermanentwiringsystemsInsulationAccessibilityofenergizedpartsInternalwiringFieldwiringPowersupplycordReceptaclesSpacingsAlternativespacings–clearancesandcreepagedistancesOperatingmechanismSupervisoryCircuitTestsGeneralPolymericenclosuresEnclosureandhousing–performanceRepresentativedevicesLeakagecurrenttestVoltagesurgetestHighresistancegroundfaultResistancetofalsetrippingtestImmunitytoconducteddisturbances,inducedbyRFfieldsNormaltemperaturetestDielectricvoltagewithstandtestOverloadandmotorstartingtestLowresistancegroundfaulttestEndurancetestAbnormaloperationtestSurgecurrenttestAbnormalovervoltagetestsExtralowresistancegroundfaultstestShortcircuittestDusttestCorrosiontestVisualinspectiontestReverselineloadmiswiretestSupplementalvoltagesurgeimmunitytestOperatingmechanismtestFEBRUARY,NMXJANCE♦CSACNO–♦ULULCOPYRIGHTEDMATERIAL–NOTAUTHORIZEDFORFURTHERREPRODUCTIONORDISTRIBUTIONWITHOUTPERMISSIONFROMULGFCIreceptacleendoflifetestMarkingsPermanenceofmarkingMarkingPermanentlyconnectedgroundfaultcircuitinterruptersPortablegroundfaultcircuitinterruptersInstallationInstructionsGeneralPermanentlyconnectedgroundfaultcircuitinterruptersSUPPLEMENTSAOPTIONALKASHORTCIRCUITCURRENTTESTFOROUTLETBOXTYPEGROUNDFAULTCIRCUITINTERRUPTERSINTRODUCTIONSAScopePERFORMANCESAGeneralMARKINGSSAGeneralAnnexA(Normative)ReferenceStandardsAReferenceStandardsAnnexB(Informative)FrenchTranslationsandMarkingsBFrenchTranslationsandMarkingsAnnexC(Informative)SpanishTranslationsandMarkingsCSpanishTranslationsandMarkings

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