Designation:B400/B400M−14StandardSpecificationforCompactRoundConcentric-Lay-StrandedAluminum1350Conductors1ThisstandardisissuedunderthefixeddesignationB400/B400M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversaluminum1350-H19(extrahard),1350-H16or-H26([n]hard),1350-H14or-H24(1⁄2hard)and1350-H142or-H242(1⁄2hard)barecompact-roundconcentric-lay-strandedconductorsmadefromroundorshapedwiresforuseasuninsulatedelectricalconductorsorincoveredorinsulatedelectricalconductors.Theseconductorsshallbecomposedofacentralcoresurroundedbyoneormorerollerordiecompactedlayersofhelicallyappliedwires(ExplanatoryNote1andNote2).1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.NOTE1—Priorto1975,aluminum1350wasdesignatedasECaluminum.NOTE2—ThealuminumandtemperdesignationsconformtoANSIStandardH35.1.Aluminum1350correspondstoUnifiedNumberingSystemA91350inaccordancewithPracticeE527.2.ReferencedDocuments2.1ASTMStandards:2B230/B230MSpecificationforAluminum1350–H19WireforElectricalPurposesB231/B231MSpecificationforConcentric-Lay-StrandedAluminum1350ConductorsB263TestMethodforDeterminationofCross-SectionalAreaofStrandedConductorsB354TerminologyRelatingtoUninsulatedMetallicElectri-calConductorsB609/B609MSpecificationforAluminum1350RoundWire,AnnealedandIntermediateTempers,forElectricalPurposesE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)2.2OtherDocuments:ANSIH35.1/H35.1(M)AlloyandTemperDesignationSys-temsforAluminum3NBSHandbook100-C...
