基本信息
| 标准名称： | 银/铜双金属复合铆钉触头基本性能测量方法 |
| 中标分类： |
电工 >>
电工材料和通用零件 >>
电工合金零件 |
| 发布日期： | |
| 实施日期： | 1988-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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所属分类： 电工 电工材料和通用零件 电工合金零件
【英文标准名称】:StandardTestMethodsforFireTestsofFire-ResistiveBarrierSystemsforElectricalSystemComponents
【原文标准名称】:电气系统元件耐火阻挡层系统耐火试验的标准试验方法
【标准号】:ASTME1725-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E05.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airdrop;cabletray;conduit;electricalsystemcomponents;fireresistancerating;fire-resistivebarriersystems;fire-test-responsemethod;junctionbox;openruncables;pullbox;raceway;thermaltransmission;Airdrop;Cabletray;Condui
【摘要】:Thesefire-test-responsetestmethodsevaluate,underthespecifiedtestconditions,theabilityofafire-resistivebarriersystemtoinhibitthermaltransmissiontotheelectricalsystemcomponentwithin.Intheseprocedures,thespecimensaresubjectedtooneormorespecificsetsoflaboratorytestconditions.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itisnotalwayspossiblebyorfromthesetestmethodstopredictchangesinthefiretestresponsecharacteristicsmeasured.Therefore,theresultsarevalidonlyforthefiretestexposureconditionsdescribedintheseprocedures.Thesetestmethodsprovideameasurementofthetransmissionofheattotheelectricalsystemcomponentswithinthebarriersystem.Thesetestmethodsprovidequalificationofafireresistivebarriersystemasoneelementofanelectricalsystemdesignedtomaintaincontinuousoperationofcriticalfunctionsandprocessesforaspecificfireresistancerating.Inadditiontothetemperaturedataprovidedbythesetestmethods,numerousotherfactors,suchasreferencedin1.4shallbeconsideredinspecifyingsuchasystem.1.1Thesetestmethodscoverfire-test-response.1.2Thesefire-test-responsetestmethodsprovideinformationonthetemperaturesrecordedontheelectricalsystemcomponentwithinafire-resistivebarriersystemduringtheperiodofexposure.1.3Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.4Potentiallyimportantfactorsandfirecharacteristicsnotaddressedbythesetestmethodsinclude,butarenotlimitedto:1.4.1Theperformanceofthefire-resistivebarriersystemconstructedwithcomponentsotherthanthosetested.1.4.2Anevaluationofthefunctionalityoftheelectricalsystemwithinthefire-resistivebarriersystem.1.4.3Anevaluationoftheampacityoftheelectricalsystemwithinthefire-resistivebarriersystem.1.4.4Anevaluationofthesmoke,toxicgases,corrosivity,orotherproductsofheating.1.4.5Ameasurementoftheflamespreadcharacteristicsoverthesurfaceofthefire-resistivebarriersystem.1.4.6Anevaluationofthrough-penetrationsealingmethods.1.4.7Combustibilityofmaterialsinthefire-resistivebarriersystemoroftheelectricalsystemcomponents.1.4.8Theneedforsupportsbeyondthosenormallyrequired.1.4.9Environmentalconditionsintheareaofservice.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K04
【国际标准分类号】:29_020
【页数】:11P.;A4
【正文语种】:英语