Subj.758 Section 2 Page 21179 Issued:2001-11-28
Style 21179 Multiconductor cable with extruded non-integral jacket.

Rating75, 80, 90, or 105 deg C, 600 or 1000 Vac, Cable 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 PVC, 6 mils minimum average thickenss, 5 mils minimum thickness at any point. Covering over the conductor assembly.
JacketExtruded PVC.
Diameter of core assembly under jacket *Minimum 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
* - The equivalent diameter of a flat assembly is to be calculated as 1.1284 x (TW)^1/2, in which T is the thickness of the assembly and W is the width of the assembly.
StandardAppliance Wiring Material UL 758.
UseExternal interconnection or internal wiring of electronic equipment.

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