APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20639 Issued:1990-02-08
Revised:2012-03-27
Style 20639 Flat Ribbon Cable

Rating75 deg C, 120 Vac, Horizontal flame.
ConductorInner conductor - 2 or 3 0.002 to 0.003 by 0.015 to 0.030 in, flat tin copper ribbons wound spirally, 14 to 30 turns per in, over a rayon or polyester core. Conductive Core- One conductor within the carbon loaded thermoset polyolefin, thickness not specified. Outer Conductor five to eight 34 to 38 AWG tin copper conductors wound spirally over the extruded conductive core at 4 to 28 turns per in. Conductive coating - applied over conductive core assembly, thickness not specified. Foil Overwrap - Optional - Foil applied over conductive core thickness not specified.
InsulationExtruded FRPE, 13 mils min average, 11 mils minimum at any point.
AssemblyInsulaton is built with inner conductor, conductive core, outer conductor, conductive coating, foil overwrap and insulate.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseWiring of Electric Bedding.

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