Subj.758 Section 2 Page 20320 Issued:1984-05-18
Style 20320 Multiple-conductor cable using non-integral jacket

Rating90 deg C, 30 Vac, Horizontal Flame (Internal), Cable flame (External).
Conductor40 AWG Min.
Insulated ConductorLabeled or complying with manufacturer's AWM procedure.
AssemblyTwo or more twisted insulated singles or groups of twisted insulated singles twisted together. Lay of length not specified. Barrier layer and/or fillers are optional, manufacturer shall maintain a complete description of each assembly.
ShieldOptional - May be over one or more of the insulated conductors or applied over the assembly.
JacketExtruded TPU.
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
0.425 inch or less30 mils24 mils
0.426-0.70045 mils36 mils
0.701-1.00060 mils48 mils
1.001-1.50080 mils64 mils
1.501-2.500110 mils88 mils
2.501 inch or greater140 mils112 mils
StandardAppliance Wiring Material UL 758.
UseAs internal wiring or external interconnection of Class 2 circuit electronic equipment (Such as electronic computers and electric business machines).

UL and the UL Logo are trademarks of UL LLC © 2021