Designation:B355−11(Reapproved2016)StandardSpecificationforNickel-CoatedSoftorAnnealedCopperWire1ThisstandardisissuedunderthefixeddesignationB355;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversnickel-coated,softorannealed,roundcopperwireforuseinelectricalequipment.1.2Fiveclassesofwirearecoveredasfollows:1.2.1Class2—Wirewhosenickelcoatingisatleast2%ofthetotalweightofthecoatedwire.1.2.2Class4—Wirewhosenickelcoatingisatleast4%ofthetotalweightofthecoatedwire.1.2.3Class7—Wirewhosenickelcoatingisatleast7%ofthetotalweightofthecoatedwire.1.2.4Class10—Wirewhosenickelcoatingisatleast10%ofthetotalweightofthecoatedwire.1.2.5Class27—Wirewhosenickelcoatingisatleast27%ofthetotalweightofthecoatedwire.NOTE1—Forinformationpurposes,thethicknessofcoatinginmicro-inchesprovidedbythepercentageslistedin1.2isshowninTable2.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesisaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3.1Exceptions—TheSIvaluesfordensity,resistivity,andvolumearetoberegardedasstandard.1.4ThishazardstatementappliesonlytoSection7,TestMethods,andtotheAppendixofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.3.ReferencedDocuments3.1Thefollowingdocumentsoftheissueineffectatthetimeofreferenceformapartofthesemethodstotheextentreferencedherein:3.2ASTMStandards:2B49SpecificationforCopperRodforElectricalPurposesB193TestMethodforResistivityofElectricalConductorMaterialsB258Spe...
