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1、BRITISHSTANDARDBSEN50122-1:1998Railwayapplications—Fixedinstallations—Part1:ProtectiveprovisionsrelatingtoelectricalsafetyandearthingTheEuropeanStandardEN50122-1:1997hasthestatusofaBritishStandardICS29.120.50;29.280,45.020LicensedCopy:InstituteOfTechnologyTallaght,Instituteof
2、Technology,MonJul0910:27:48GMT+00:002007,UncontrolledCopy,(c)BSIBSEN50122-1:1998NationalforewordThisBritishStandardistheEnglishlanguageversionofEN50122-1:1997publishedbytheEuropeanCommitteeforElectrotechnicalStandardization(CENELEC).TheUKparticipationinitspreparationwasentrus
3、tedtoTechnicalCommitteePEL/9,Railwayelectrotechnicalapplications,toSubcommitteePEL/9/3,Fixedequipment,whichhastheresponsibilityto:—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinteres
4、tsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdoc
5、umentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareres
6、ponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to63andabackcover.Thisstandardhasbeenupdated(seecopyrightdate)
7、andmayhavehadamendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.AmendmentsissuedsincepublicationThisBritishStandard,havingbeenpreparedundertheAmd.No.DateCommentsdirectionoftheElectrotechnicalSectorBoard,waspublishedundertheauthorityoftheStandar
8、dsBoardandcomesintoeffecton15May1998©BSI05-1999LicensedCopy:Institut
