Designation:B187/B187M−19StandardSpecificationforCopper,BusBar,Rod,andShapesandGeneralPurposeRod,Bar,andShapes1ThisstandardisissuedunderthefixeddesignationB187/B187M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2establishestherequirementsforcop-perconductorbar,rod,andshapesforelectrical(bus)applica-tionsandrod,bar,andshapesforgeneralapplications.1.1.1Theproductsforelectrical(bus)applicationsshallbemadefromthefollowingcoppers:3CopperUNSNo.3ReferenceDesignationC10100OFEC10200OFC10300OFXLPC10400,C10500,C10700OFSC10920,C10930,C10940—C11000ETPC11300,C11400,C11500,C11600STPC12000DLP1.1.1.1Theproductmaybefurnishedfromanycopperlistedunlessotherwisespecifiedinthecontractorpurchaseorder.1.2Theproductforgeneralapplicationsshallbemadefromanyofthecoppersin1.1.1orthefollowingcoppers:CopperUNSNo.3ReferenceDesignationC10800OFLPC12200DHP1.2.1Theproductmaybefurnishedfromanycopperlistedaboveunlessotherwisespecifiedinthecontractorpurchaseorder.Othercoppersmaybeuseduponagreementbetweenthesupplierandpurchaser.1.3Units—Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,SIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.NOTE1—MaterialforhotforgingwillbefoundinSpecificationB124/B124M.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2...
