资源描述:
《ANSI C78.42-2004 电灯 高压钠灯》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、ANSIC78.42-2004RevisionofANSIC78.42-2001AmericanNationalStandardApproved:December30,2004Secretariat:ANSLG–NationalElectricalManufacturersAssociationforelectriclamps:High-PressureSodiumLampsCopyright©2004byAmericanNationalStandardLightingGroup–NEMAANSIC78.42-200
2、4AmericanApprovalofanAmericanNationalStandardrequiresverificationNationalbyANSIthattherequirementsfordueprocess,consensus,andothercriteriaforapprovalhavebeenmetbythestandardsStandarddeveloper.AnAmericanNationalStandardimpliesaconsensusofthosesubstantiallyconcer
3、nedwithitsscopeandprovisions.Consensusisestablishedwhen,inthejudgmentoftheANSIBoardofStandardsReview,substantialagreementhasbeenreachedbydirectlyandmateriallyaffectedinterests.Substantialagreementmeansmuchmorethanasimplemajority,butnotnecessarilyunanimity.Conse
4、nsusrequiresthatallviewsandobjectionsbeconsidered,andthataconcertedeffortbemadetowardtheirresolution.TheexistenceofanAmericanNationalStandarddoesnotinanyrespectprecludeanyone,whethers/hehasapprovedthestandardornot,frommanufacturing,marketing,purchasing,orusingp
5、roducts,processes,orproceduresnotconformingtothestandards.Itisintendedasaguidetoaidthemanufacturer,theconsumer,andthegeneralpublic.TheAmericanNationalStandardsInstitutedoesnotdevelopstandardsandwillinnocircumstancesgiveaninterpretationofanyAmericanNationalStand
6、ard.Moreover,nopersonshallhavetherightorauthoritytoissueaninterpretationofanAmericanNationalStandardinthenameoftheAmericanNationalStandardsInstitute.RequestsforinterpretationsshouldbeaddressedtotheCommitteeSecretariatreferredtoonthetitlepage.CAUTIONNOTICE:ThisA
7、mericanNationalStandardmayberevisedorwithdrawnatanytime.TheproceduresoftheAmericanNationalStandardsInstituterequirethatactionbetakenperiodicallytoreaffirm,revise,orwithdrawthisstandard.PurchasersofAmericanNationalStandardsmayreceivecurrentinformationonallstanda
8、rdsbycallingorwritingtheAmericanNationalStandardsInstitute.Printedanddistributedby:InformationHandlingServices/GlobalEngineeringDocuments15InvernessWayEast,Englewood,CO80112