BSEN50267221998在着火条件下电缆的一般测试方法电缆材料燃烧过程中放出气体的试验第22部

BRITISHSTANDARDCommontestmethodsforcablesunderfireconditions-TestsonTheEuropeanStandardEN50267-2-2:1998hasthestatusofaBritishStandardBSEN50267-2-2:1999ICs13.220.40:29.060.20NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWCopyrightEuropeanCommitteeforElectrotechnicalStandardizationProvidedbyIHSunderlicensewithCENELECNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--````-`-`,,`,,`,`,,`---ST3=BSIESEN5-2b7-2-2-EKGL3999Ulb2Ybb40777483733directionoftheElectrotechnicalhd.No.DateSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton16September1999BSEN50267-2-2:1999CommentsNationalforewordThisBritishStandardistheEnglishlanguageversionofEN50267-2-2:1999.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeGEMO,Electriccables,toSubcommitteeGEIí20/3,Insulationandsheath,whichhastheresponsibilityto:-aidenquirerstounderstandthetext;-presenttotheresponsibleEuropeancommitteeanyenquiriesonthe-monitorrelatedinternationalandEuropeandevelopmentsandpromulgateinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;themintheUKAlistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandarchCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to5andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.OBSI041999IlISBNO680327346CopyrightEuropeanCommitteeforElectrotechnicalStandardizationProvidedbyIHSunderlicensewithCENELECNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--````-`-`,,`,,`,`,,`---EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN50267-2-2June1998ICs13.220.40;29.060.20Descriptors:elecûicalinstallation,electricalcables,firetests,combustiontests,combustionproducts,burninggases,corrosivegases,determination,acidity,measurements,pHconductivity,testing,conditions,proceduresEnglishversionCommontestmethodsforcablesunderfireconditions-Testsongasesevolvedduringcombustionofmaterialsfromcables-Part2-2:Procedures-DeterminationofdegreeofacidityofgasesformaterialsbymaterialsbymeasuringpHandconductivityMéthodesd’essaicommunesauxcâblessoumisaufeu-Essaissurlesgazémislorsdelacombustiond’unmatériauprélevésuruncâble-Partie2-2:Procédures-Déterminationdel’aciditédesgazdesmatériauxparunemesuredupHetdelaconductivitéAllgemeinePrüfverfahrenfürdasVerhaltenvonKabelnundisoliertenLeitungenimBrandfall-PrüfungderbeiderVerbrennungderWerkstoffevonKabelnundisoliertenLeitungenentstehendenGase-Teil2-2:Prüfverfahren-BestimmungdesGradesderAziditätvonGasenbeiWerkstoffendurchpH-WertundLeiWgkeitThisEuropeanStandardwasapprovedbyCENELECon199804.01.CENELECmembersareboundtocomplywiththeCENKENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENELECmember.ThisEuropeanStandardexistsinthreeoficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENELECmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENELECmembersarethenationalelectrotechnicalcommitteesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.CENELECEuropeanCommitteeforElectrotechnicalStandardizationComitéEuropéendeNormalisationElectrotechniqueEuropäischesKomiteefürElektrotechnischeNormungCentralSecretariat:ruedeStassart35,B-1050BrusselsO1998CENELEC-AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENELECnationalmembersRef.No.EN50267-2-2:1998ECopyrightEuropeanCommitteeforElectrotechnicalStandardizationProvidedbyIHSunderlicensewithCENELECNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--````-`-`,,`,,`,`,,`---Page2EN50267-2-2:1998ForewordThisEuropeanStandardwaspreparedbytheTechnicalCommitteeCENELECTC20,ElectricCables.ThetextofthedraftwassubmittedtotheUniqueAcceptanceProcedureandwasapprovedbyCENELECasEN50267-2-2on1998-04-01.Thefollowingdateswerefixed:-latestdatebywhichtheENhastobeimplementedatnationallevelbypublicationofanidenticalnationalstandardorbyendorsement(dop)1999-03-01-latestdatebywhichnationalstandardsconflictingwiththeENhavetobewithdrawn(dow)2000-03-01Annexesdesignatednonnativearepartofthebodyofthestandard.Annexesdesignatedinformativearegivenforinformationonly.Inthiss