APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21391 Issued:2004-10-07
Revised:2012-04-18
Style 21391 Multiple-conductor cable using non-integral jacket

Rating80 deg C, 30 Vac, Cable flame.
Conductor40 AWG minimum.
InsulationLabeled or complying with Manufacturer's AWM Procedure.
AssemblyConsists of two or more conductors, twisted pairs, parallel pairs, or groups of twisted conductors or parallel pairs twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. A barrier layer and/or fillers are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
ShieldOptional.
CoveringOptional. Optional. Extruded FRPE, 6 mils minimum at any point, applied over the conductor assembly.
JacketPVC.
Construction A External UseConstruction B Internal Use
Dia of cable under jacketMinimum averageMinimum at any pointMinimum averageMinimum at any point
0.350 inch or less20 mils17 mils15 mils12 mils
0.351-0.700 inch30 mils24 mils30 mils24 mils
0.701-1.000 inch40 mils32 mils40 mils32 mils
1.001-1.500 inch54 mils43 mils54 mils43 mils
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseConstruction A: Internal wiring or external interconnection of electronic equipment in Class 2 circuit only.Construction B: Internal wiring of electronic equipment in Class 2 circuit only.

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