APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20491 Issued:1986-10-30
Revised:2012-04-13
Style 20491 laminated flat ribbon cable

Rating80 deg C, 125 Vac
Conductor36 AWG - 22 AWG solid or stranded round, tinned or bare copper.
Insulationextruded PTFE, TFE, 5 mils min average, 4 mils min at any point, or flat cable complying with Manufacturer's AWM Procedure.
AssemblyTwo through eighty conductors laid parallel and in one plane. Adjacent ground conductors may touch. Optional, two to six conductor groups may be laid parallel on top of each other. Insulation is built with a separator, insulate, Inner barrier layer, optional, shield (optional), outer barrier layer (optional), and jacket.
ShieldOptional.
JacketExtruded PUR, 17 mils min average, 14 mils minimum at any point.
Misc.Separator - Optional - Expanded PTFE tape. Inner Barrier Layer, Optional, expanded PTFE or polyester tape between insulated conductors and shield. Outer Barrier Layer, Optional - Expanded PTFE or polyester tape.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal wiring of electronic equipment.

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