Commercial (UL/CSA)

UL 20847

Additional Details

Style 20847 Multiple Conductor with Extruded Insulation with an Extruded Non-integral Jacket..
Rating 150, 200 deg C, 600 Vac, Horizontal flame.
Conductor 18 AWG – 12 AWG, stranded only.
Insulation Extruded FEP, 10 mils min average, 9 mils minimum at any point.
Assembly Over two FEP insulated conductors laid parallel, a Assembly 10 mil min avg, 8 mil min at any point wall of FEP is extruded to form a two conductor parallel cord. This cord is now prepared for the spiral wound heating element. This is done by carefully removing the FEP insulation along the length of the cord so as to bare the copper conductor for approx 1/2 in widths at periodic intervals. A spirally wound nichrome or other types of resistance wire is then carefully wound the length of the core, and may be soldered to the exposed conductor. By varying the distance between contacts with the conductors, the number of turns per inch of resistance wire and the AWG size (resistance) of the spirally wound wire, different wattages per foot per service voltage can be obtained.
Shield Optional.
Covering Optional. 13 mils min at any point of extruded special copolymer of ethylene and tetrafluoroethylene (ETFE). See Facing Page for Compound Designation or FEP.
Jacket Extruded ETFE, 20 mils min average, 16 mils minimum at any point. See Facing Page for Compound Designation.
Misc. Heating Element – Nichrome, copper alloy or other suitable resistance wire is spirally wound around the insulation; the AWG size of wire, number of turns, length between contact with the copper conductor are dependent upon the wattage demand and the voltage used to energize the cable.
Standard Appliance Wiring Material UL 758.
Marking General.
Use Internal wiring of Pipe heating cable.
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