Designation:D4388−13StandardSpecificationforNonmetallicSemi-ConductingandElectricallyInsulatingRubberTapes1ThisstandardisissuedunderthefixeddesignationD4388;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversnonmetallicsemi-conductingandelectricalinsulatingtapesdesignedforthesplicingandrepairofelectricalwireandcablesoperatingatvoltagesupto325kV,phasetophase.1.2TheSIvaluesarethestandard.Thevaluesstatedininch-poundunitsgiveninparenthesesareforinformationpurposesonly.2.ReferencedDocuments2.1ASTMStandards:2D1711TerminologyRelatingtoElectricalInsulationD4325TestMethodsforNonmetallicSemi-ConductingandElectricallyInsulatingRubberTapes3.Terminology3.1Definitions—UseTerminologyD1711fordefinitionsoftermsusedinthesetestmethodsandassociatedwithelectricalorelectronicinsulationmaterials.4.Classification4.1Types:4.1.1TypeI—Alowvoltagerubberinsulatingtapedesignedforuseonwiresandcablesoperatingupto2000Vphasetophaseindrylocationswithconductortemperaturesupto80°C(176°F)forcontinuousoperation,upto95°C(203°F)foremergencyoverloadconditions,andupto150°C(302°F)forshort-circuitconditions.Foroutdooruse,protectthetapefromozoneattackandultravioletradiationbytheuseofasuitableoverwrap.Applythetapetothewireorcablewithinanambienttemperaturerangeof−10and40°C(14and104°F).4.1.2TypeII—Amediumvoltage,ozone-resistant,rubberinsulatingtapedesignedforusewithwiresandcablesoperat-ingupto35000Vphasetophaseineitherwetordrylocationswithconductortemperaturesupto90°C(194°F)forcontinuousoperation,upto130°C(266°F)foremergencyoverloadconditions,andupto250°C(482°F)forshort-circuitconditionswheninstalledinaccordancewiththemanufactur-er’sinstruction.Forwetordryoutdooruse,protectthetapefromu...