UL 444-2008 通信电缆

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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


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【英文标准名称】:Bolt,bihexagonalhead,withlockinghole,neckedshank.ISOthread:4Hclass,finepitch.
【原文标准名称】:带锁紧孔和颈杆的十二角头螺栓.ISO螺纹.细牙4H级
【标准号】:NFL22-244-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-11-01
【实施或试行日期】:1987-11-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:4P;A4
【正文语种】:其他


【英文标准名称】:PneumaticFluidPower-SystemsStandardForIndustrialMachinery-SupplementtoISO4414:1998-PneumaticFluidPower-GeneralRulesRelatingToSystems
【原文标准名称】:气压传动.工业机械的系统标准.对ISO4414-1998的补充.气压传动.与系统相关的一般规则
【标准号】:ANSI(NFPA)T2.25.1R2-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:气动的;机械;工业的;总论;液压系统;防火;流体;液压传动系统;功率;液压传动;规则
【英文主题词】:Acceptance(approval);Accessories;Agreements;Airreceivers;Circuitdiagrams;Components;Compressedair;Containers;Contractors;Control;Dataofthemanufacturer;Definitions;Design;Documentations;Fluidcircuits;Fluidtechnology;Generalconditions;Generalsection;Guidelines;Hazards;Hoseassemblies;Instructions;Maintenance;Marking;Mounting;Operatingconditions;Operation;Orderer;Pipelines;Piping;Plantconstruction;Pneumaticequipment;Pneumaticsystems;Pneumatictransmissionsystems;Pneumaticvalve;Pneumatically-operateddevices;Pneumatics;Preparation;Safetyrequirements;Specification;Specification(approval);Technicaldatasheets;Valves
【摘要】:Providesgeneralrulesforpneumaticsystemsusedinmanufacturing.Itisintendedtoguidesuppliersandpurchasers,withaviewtoensuringsafety,uninterruptedsystemoperation,easeandeconomyofmaintenanceandlonglifeofthesystem.Thisstandarddoesnotapplytoaircompressorsandairdistributionsystems.ThisstandardisbaseduponISO4414:1998,withcertainexceptions.TheuserwillrequirebothstandardsforuseonapneumaticsystemsapplicationintheUSA.
【中国标准分类号】:J20
【国际标准分类号】:23_100_01
【页数】:
【正文语种】:英语