Subj.758 Section 2 Page 20531 Issued:1987-04-23
Style 20531 Multiple-conductor cable using non-integral jacket.

Rating60 deg C, 150 Vac, Horizontal flame.
Conductor30 AWG - 16 AWG, solid or stranded.
InsulationExtruded PE or extruded FRPE, 12 mils minimum average thickness, 11 mils minimum thickness at any point.
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 - A 6 mils or heavier PVC covering may be extruded over the conductor assembly.
JacketExtruded PVC.
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
0.395 inch or less30 mils24 mils
0.396-0.500 inch35 mils28 mils
0.501-0.700 inch50 mils40 mils
StandardAppliance Wiring Material UL 758.
UseInternal wiring.

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