APPLIANCE WIRING MATERIAL
Subj.758 Section 4 Page 4377 Issued:1987-11-05
Revised:2019-11-07
Style 4377 Multiple-conductor cable using non-integral jacket

Rating80 deg C, 300 Vac, Cable flame.
Conductor32 AWG - 16 AWG, material not specified.
InsulationExtruded XLPE, 15 mils min average thickness, 13 mils minimum thickness at any point.
AssemblyTwo or more twisted singles or groups of twisted singles twisted together may belaid parallel to form flat, oval, or round cables. Lay not specified. Barrier layer and/or fillers optional. Manufacturer shall maintain a complete description of each assembly.
CoveringOptional - Extruded PVC, 5 mils minimum thickness at any point.
ShieldOptional - May be over one or more of the insulated conductors or applied over the assembly.
JacketExtruded PVC
dia of cable under jacket
0.424 inches or less30 mils min average27 mils minimum at any point
0.425-0.700 dia60 avg48 min
0.701-1.500 dia80 avg64 min
1.501-2.500 dia110 avg88 min
2.501 dia and larger140 avg112 min
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseExternal interconnection or internal wiring in electronic equipment where each end is terminated in connectors.

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