Subj.758 Section 2 Page 20379 Issued:1985-01-31
Style 20379 Multiple conductor cable using non-integral jacket

Rating80 deg C, 30 Vac, Horizontal Flame for Use No. 1, Cable flame for Use No. 2.
Conductor50 AWG minimum, solid or stranded.
InsulationMaterial not specified for Use No. 1.
Insulated ConductorLabeled or complying with manufacturer's AWM procedure for Use No. 2.
AssemblyTwo or more twisted singles or groups of twisted singles twisted together or groups may be laid parallel to form flat, oval, or round cables. May use same or mixed AWG. Lay not specified. Barrier layer and/or fillers optional.
CoveringOptional. Extruded PVC, 13 mils minimum at any point or PTFE tape, 1 mil minimum thickness, a helically or longitudinally applied (lap not specified).
ShieldOptional. May be over one or more of the insulated conductors or applied over the assembly.
JacketExtruded PVC.
Diameter of cable under jacketMinimum average thicknessMinimum thickness at any point
0.250 inch or less15 mils12 mils
0.251-0.350 inch22 mils17 mil
0.351-0.424 inch30 mils24 mils
0.425-0.700 inch60 mils48 mils
StandardAppliance Wiring Material UL 758.
UseUse No. 1 - Internal wiring in Class 2 circuits of electronic equipment where each end is terminated in connectors. Use No. 2 - Internal wiring in Class 2 circuits of electronic equipment or external interconnection in Class 2 circuits of electronic equipment where not routed along walls, floors, or other abuse areas.

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