Subj.758 Section 2 Page 21117 Issued:2000-09-06
Style 21117 Multiple-conductor cable using non-integral jacket.

Rating60 deg C, 30 Vac, Horizontal flame (construction B) Cable flame (construction A).
Conductor40 AWG minimum. Solid or stranded.
InsulationLabeded or complying with Manufacture'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 insulated conductors are 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 XLPE.
Construction AConstruction B
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any pointMinimum average thicknessMinimum thickness at any point
0.350 inch or less20 mils17 mils15 mils12 mils
0.351-0.700 inch30 mils24 mils30 mils24 mils
0.701-1.000 inch40 mils36 mils40 mils36 mils
0.101-1.500 mils54 mils38 mils54 mils38 mils
StandardAppliance Wiring Material UL 758.
UseConstruction A: Internal wiring or external interconnection of electronic equipment in Class 2 circuits only.Construction B: Internal wiring of electronic equipment in Class 2 circuits only.

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