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【英文标准名称】:CommunicationsCables
【原文标准名称】:通信电缆
【标准号】:UL444-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-07-11
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:能力;通信;通信电缆;通信技术;数据通信;数据处理;数据传输方法;设计;数字的;电的;电气工程;信息技术;绝缘的;绝缘电缆;电话电缆;测试;传输;通信声音
【英文主题词】:Abilities;Communication;Communicationcables;Communicationtechnology;Datacommunication;Dataprocessing;Datatransmissionmethods;Design;Digital;Electrical;Electricalengineering;Informationtechnology;Insulated;Insulatedcables;Telephonecables;Testing;Transmission;Voicecommunication
【摘要】:1.1Thisstandardappliesto60–250°Csingle-ormultiple-conductorjacketedorunjacketed,integralornonintegralcablesandsingleormultiplecoaxialcablesfortelephoneandothercommunicationcircuitssuchasvoice,data,andaudioforon-premisecustomersystems.Thesecablesarenotprohibitedfromcontainingoneormoreopticalfibremembers.Forthepurposeofthisstandard,acoaxialcableorcoaxialmemberconductorisasingleconductorwithashield.Forthepurposeofthisstandard,asingle-ormultiple-conductorunjacketedcableisacross-connectwire.1.2ThisstandardappliestocommunicationscablesthatareintendedprimarilyforinstallationinaccordancewithSection60oftheCanadianElectricalCode(CEC),PartI,andArticle800oftheNationalElectricalCode(NEC),ANSI/NFPA70.Theyareratedfor300Vapplicationsbutarenotsomarked.1.3Thisstandarddoesnotapplytocommunicationscords.1.4InCanada,TypeCMUC,cross-connectcommunicationscables,andthe"-CI"circuitintegritymarkingsarenotrecognizedbytheCanadianElectricalCode,PartI.IntheUS,TypeCMHisnotrecognizedintheNEC.1.5Ifavalueformeasurementisfollowedbyavalueinotherunitsinparenthesis,thesecondvaluemaybeonlyapproximate.Thefirststatedvalueistherequirement.
【中国标准分类号】:K13
【国际标准分类号】:33_120_20
【页数】:58P.;A4
【正文语种】:英语