Subj.758 Section 2 Page 20438 Issued:1986-01-30
Style 20438 Multiple-conductor cable using non-integral jacket

Rating60 deg C, 150 Vac, Horizontal Flame or Cable Flame (External).
Insulated ConductorLabeled or complying with manufacturer's AWM procedure.
AssemblyTwo or more insulated singles, twisted pairs or groups of twisted insulated singles twisted together or insulated singles or groups of insulated singles may be laid parallel to form flat, oval or round cable. Length of lay of insulated conductors not specified. Optional barrier layer and/or fillers. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
CoveringOptional - A 10 mil or heavier PVC covering may be extruded over the insulated conductors assembly.
JacketExtruded PVC.
Diameter of core assembly under jacket*Minimum average thicknessMinimum thickness at any point
0.700 inch or less30 mils24 mils
0.701-1.00045 mils36 mils
1.001-1.50060 mils48 mils
1.501-2.50080 mils64 mils
2.501-4.000110 mils88 mils
4.001 or greater140 mils112 mils
*Major diameter/ axis if cable is flat or oval.
StandardAppliance Wiring Material UL 758.
UseInternal wiring or external interconnection of electronic equipment (such as desk-type calculators, dictating machines, or x-ray equipment).

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