EmergencyescapelightingsystemsTheEuropeanStandardEN50172:2004hasthestatusofaBritishStandardTCS91.160.∞BRITISHSTANDARDBSEN50172:2004BS5266-8:2004IncludingCorrigendumNo./NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBritishStandardsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN50172:2004andimplementsitasdualnumberedBritishStandardBS5266-8:2004.ThispartoftheBS5266seriespartiallysupersedesBS5266-1:1999,Emergencylighting.COdeofpracticefortheemergencylightingofpremisesotherthancinemasandcertainotherspecifiedpremisesusedforentertainment,whichisCUrrelHIyunderrevisiontoremoverequirementsconflictingwithEN50172:2004asfollows.BSEN50172:2004specifiesrequirementswhereasBS5266-1isacodeofpracticegivingre∞mmendations.TherequirementsofBSEN50172alterthedurationperiodandfrequencyrequiredforself-containedluminaires(see7.2).AnumberoftherequirementswhicharegiveninBS5266-1:1999areexpanded,particularlythesizeofopenareathatrequiresemergencylightingandtheprocedurestoreducetheimpactofthefailureofanysingleluminaire.Appropriateproductstandardsarealsoidentified.CompliancewiththisstandardwillassistusersinmeetingtherequirementsoftheWorkplaceDirective,theConstructionProductsDirectiveandtheforthcomingRegulatoryReformOrder.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeCPI734,Lampsandrelatedequipment,toSubcommitteeCPL/34/9,Emergencylighting,whichhastheresponsibilityto:—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.AlistoforganizationsrepresentedOnthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex,orbyusingthe“Search”∖facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpιn∙porttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to12,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.ThisBritishStandard,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon20December2004BSEN50172:2004OBSI2006ISBN0580451577Amd.No.DateComments16566CorriκendumNo.131August2006Correctiontofontsonpage11AmendmentsissuedsincepublicationRef.No.EN50172:2004EEUROPEANSTANDARDNORMEEUROPEENNEEUROPAISCHENORMICS91.160.∞EnglishversionEmergencyescapelightingsystemsSystemesd'eclairagedesecuriteSicherheitsbeleuchtungsanlagenThisEuropeanStandardwasapprovedbyCENELECon2004-03-01.CENELECmembersareboundto∞mplywiththeCEN/CENELECInternalRegulationswhichstipulatethe∞nditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENELECmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversion...
