ANSI_NEMA_ANSLGC78.377-2008AmericanNationalStandardforelectriclamps—SpecificationsfortheChromaticityofSolidStateLightingProductsTheStandardisdownloadedfrom©AmericanNationalStandardLightingGroupPage1of17ANSI_NEMA_ANSLGC78.377-2008AmericanNationalStandardApproved:January9,2008Secretariat:AmericanNationalStandardLightingGroupforelectriclamps:SpecificationsfortheChromaticityofSolidStateLightingProductsAnAmericanNationalStandardimpliesaconsensusofthosesubstantiallyconcernedwithitsscopeandprovisions.Itisintendedasaguidetoaidthemanufacturer,theconsumer,andthegeneralpublic.TheexistenceofanAmericanNationalStandarddoesnotinanyrespectprecludeanyone,whetherhehasapprovedthestandardornot,frommanufacturing,marketing,purchasing,orusingproducts,processes,orproceduresnotconformingtothestandards.Usersarecautionedtoobtainthelatesteditions.TheAmericanNationalStandardsInstitutedoesnotdevelopstandardsandwillinnocircumstancesgiveaninterpretationofanyAmericanNationalStandard.Moreover,nopersonshallhavetherightorauthoritytoissueaninterpretationofanAmericanNationalStandardinthenameoftheAmericanNationalStandardsInstitute.CAUTIONNOTICE:ThisAmericanNationalStandardmayberevisedorwithdrawnatanytime.TheproceduresoftheAmericanNationalStandardsInstituterequirethatactionbetakenperiodicallytoreaffirm,revise,orwithdrawthisstandard.PurchasersofAmericanNationalStandardsmayreceivecurrentinformationonallstandardsbycallingorwritingtheAmericanNationalStandardsInstitute.ANSI_NEMA_ANSLGC78.377-2008Copyright2008©AmericanNationalStandardLightingGroupPage2of17AmericanNationalStandardApprovalofanAmericanNationalStandardrequiresverificationbyANSIthattherequirementsfordueprocess,consensus,andothercriteriaforapprovalhavebeenmetbythestandardsdeveloper.AnAmericanNationalStandardimpliesaconcensusofthosesubstantiallyconcernedwithitsscopeandprovisions.Consensusisestablishedwhen,inthejudgmentoftheANSIBoardofStandardsReview,substantialagreementhasbeenreachedbydirectlyandmateriallyaffectedinterests.Substantialagreementmeansmuchmorethanasimplemajority,butnotnecessarilyunanimity.Consensusrequiresthatallviewsandobjectionsbeconsidered,andthataconcertedeffortbemadetowardtheirresolution.TheexistenceofanAmericanNationalStandarddoesnotinanyrespectprecludeanyonefrommanufacturing,marketing,purchasing,orusingproducts,processes,orproceduresnotconformingtothestandard.Itisintendedasaguidetoaidthemanufacturer,theconsumer,andthegeneralpublic.TheAmericanNationalStandardsInstitutedoesnotdevelopstandardsandwillinnocircumstancesgiveaninterpretationofanyAmericanNationalStandard.Moreover,nopersonshallhavetherightorauthoritytoissueaninterpretationofanAmericanNationalStandardinthenameoftheAmericanNationalStandardsInstitute.Requestsforinterpretationsshouldbeaddressedtothesecretariatorsponsorwhosenameappearsonthetitlepageofthisstandard.CAUTIONNOTICE:ThisAmericanNationalStandardmayberevisedorwithdrawnatanytime.TheproceduresoftheAmericanNationalStandardsInstituterequirethatactionbetakenperiodicallytoreaffirm,revise,orwithdrawthisstandard.PurchasersofAmericanNationalStandardsmayreceivecurrentinformationonallstandardsbycallingorwritingtheAmericanNationalStandardsInstitute.Copyright©2008byAmericanNationalStandardLightingGroupAllrightsreserved.Nopartofthispublicationmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutpriorwrittenpermissionofthepublisher.PrintedintheUnitedStatesofAmericaTheStandardisdownloadedfrom©AmericanNationalStandardLightingGroupPage3of17Foreword(ThisforewordisnotpartofAmericanNationalStandardC78.377-2008.)Thisisanewstandardrecentlydevelopedbytheindustry.SuggestionsforimprovementofthisstandardshouldbesubmittedtotheSecretariatC78,AmericanNationalStandardLightingGroup,1300North17thStreet,Suite1752,Rosslyn,VA22209.ThisstandardwasprocessedandapprovedbytheAccreditedStandardsCommitteeonElectricLamps,C78,andtheNationalElectricalManufacturersAssociationSolidStateLightingSectiontechnicalworkgroup(knownatthetimeas78WorkGroup09).Committeeapprovalofthestandarddoesnotnecessarilyimplythatallcommitteemembersvotedforthatapproval.Amendment/ChangeCDVRVRevisionC78_4270C78_4271DennisHolt,Chair,ASC78YoshiOhno,TechnicalCoordinatorRandolphN.Roy,ANSLGSecretariatMattClark,SeniorEditorANSI_NEMA_ANSLGC78.377-2008Copyright2008©AmericanNationalStandardLightingGroupPage4of17TableofContentsForeword..........................................................................................................................3Organizationofthisstandard........................................................................................51.Scope..........................................................................................................................61.1ImportantPatentDisclaimer.....................................................................................62.Normativereferences............................................................................................