APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20380 Issued:1985-02-14
Revised:2012-04-17
Style 20380 Multiple-conductor cable with non-integral jacket.

Rating60 deg C, 30 Vac, Horizontal Flame for Construction A; Cable flame for Construction B.
Conductor32 AWG minimum, solid or stranded.
InsulationExtruded PP, 3.5 mils minimum at any point, 30 mils maximum.
AssemblyTwo or more individually insulated conductors or groups of insulated conductors cabled together. All conductors in any group twisted together. If more than one group is used, groups shall also be twisted together. The length of lay of the twisted conductors or groups is not specified. Fillers and/or barrier or spiral wrap over conductor assembly optional.
ShieldOptional.
JacketExtruded PVC.
Construction A Internal UseConstruction B External Use
Dia of cable under jacketMinimum averageMinimum at any pointMinimum averageMinimum at any point
0.250 inch or less15 mils13 mils30 mils24 mils
0.251-0.425 inch30 mils24 mils30 mils24 mils
0.426-0.700 inch45 mils36 mils45 mils36 mils
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseConstruction A Internal wiring of Class II circuits in electronic equipment such as computers and electric business machines. Construction B External interconnection of Class II circuits in electronic computers and electric business machines.

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