APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20579 Issued:1988-05-05
Revised:2012-06-25
Style 20579 Multiple-conductor cable using non-integral jacket

Rating60 deg C, 30 Vac, Horizontal Flame (construction A), Cable flame (construction B).
Insulated ConductorNo. 40 AWG minimum. Labeled or complying with manufacturer's AWM proceure.
AssemblyConsists of two or more conductors, twisted pairs or groups of twisted conductors twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. The lay of the conductors is not specified. A barrier layer and/or fillers are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
CoveringOptional - Extruded PVC, 3 mils minimum thickness at any point, may be extruded over shielded or unshielded twisted singles, individual groups of twisted singles, or the complete insulated conductor assembly.
ShieldOptional.
JacketExtruded PVC
dia of cable under jacket*contructionmin. avgmin. at any point
0.350 inch or less(const A)15 mils12 mils
0.350 inch or less(const B)30 mils24 mils
0.351-0.700 inch(const A) and (const B)30 mils24 mils
0.701-1.000 inch(const A) and (const B)40 mils36 mils
1.001-1.500 inch(const A) and (const B)54 mils48 mils
*Major dia if cable is flat or oval.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseConstruction A: Internal Wiring of Class 2 Circuits in Electronic Equipment. Construction B: External Wiring of Class 2 Circuits in Electronic Equipment.

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