UL 20638
Additional Details
APPLIANCE WIRING MATERIAL
Style 20638 Heating Cable
Rating 75 deg C, 120 Vac, Horizontal flame.
Conductor 0.002 to 0.003 by 0.015 to 0.030 in, flat tin copper ribbons. Conductive Core- Two conductors laid parallel within the carbon loaded thermoset polyolefin, thickness not specified. Conductive Core Coating Optional – Conductive coating applied over Coating conductive core, thickness not specified. Foil Overwrap – Optional – Foil applied over conductive core, thickness not specified.
Insulation FRPE, See Facing Page for compound, 13 mils min average, 11 mils minimum at any point.
Assembly Two to three conductors wound spirally, 14 to 30 turns per in, over a rayon or polyester core. Insulation is built with a conductive core, conductive core coating, foil overwrap, and insulate.
Standard Appliance Wiring Material UL 758.
Marking General.
Use Wiring of Electric Bedding.
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