Subj.758 Section 2 Page 21573 Issued:2007-08-31
Style 21573 Multiple-conductor cable using non-integral jacket.

Rating80 deg C, 600 Vac, Horizontal flame.
Conductor40 AWG minimum. solid or stranded.
InsulationLabeled or complying with manufacturer's AWM procedure.
AssemblyConsists of two or more conductors, twisted pairs or groups of twisted conductors twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. The lay of the conductors is not specified. A barrier layer and/or fillers are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
CoveringOptional. Extruded TPU, 28 mils or heavier.
JacketExtruded TPU
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
0.700 inch or less30 mils24 mils
0.701-1.000 inch60 mils48 mils
1.001-1.500 inch80 mils64 mils
1.501-2.500 inch110 mils88 mils
2.501-3.500 inch140 mils112 mils
3.501 inch or larger160 mils128 mils
StandardAppliance Wiring Material UL 758.
UseInternal wiring of electronic equipment.

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