APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21088 Issued:2000-03-22
Revised:2011-08-25
Style 21088 Jacketed Cable.

Rating60 or 80 deg C, 30 Vac, Cable Flame (construction A), Horizontal flame (construction B).
Conductor40 AWG minimum.
InsulationLabeled or complying with manufacturer's AWM procedure having a minimum rating of 60 deg C or 80 deg C, whichever is applicable.
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 insulated conductors are 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, 6 mils minimum thickness, applied over the conductor assembly.
ShieldRequired.
JacketExtruded FRPE.
Diameter under jacketMinimum average for Construction A External UseMinimum at any point for Construction A External UseMinimum average for Construction B Internal UseMinimum at any point for Construction B Internal Use
0.350 inch or less20 mils17 mils15 mils12 mils
0.351-0.700 inch30 mils24 mils30 mils24 mils
0.701-1.000 inch40 mils36 mils40 mils36 mils
1.001-1.500 inch54 mils48 mils54 mils48 mils
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseConstruction A: Internal wiring or external interconnection of electronic equipment in Class 2 circuits only. Construction B: Internal wiring of electronic equipment in Class 2 circuits only.

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