APPLIANCE WIRING MATERIAL
Style 20639 Flat Ribbon Cable
Rating 75 deg C, 120 Vac, Horizontal flame.
Conductor Inner 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.
Insulation Extruded FRPE, 13 mils min average, 11 mils minimum at any point.
Assembly Insulaton is built with inner conductor, conductive core, outer conductor, conductive coating, foil overwrap and insulate.
Standard Appliance Wiring Material UL 758.
Use Wiring of Electric Bedding.
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