APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20828 Issued:1994-02-24
Revised:2011-11-01
Style 20828 Multiple-conductor cable using non-integral jacket

Rating80 deg C, 30 Vac, Horizontal flame, constructions 1A, 1B, Cable flame, constructions 2A, 2B.
Conductor40 AWG min. Material not specified.
InsulationLabeled or complies with manufacturer's AWM Procedure for use statement 2A or 2B. Material not specified - For use Statement 1A, 1B.
AssemblyConsists of two or more conductors, twisted pairs, or groups of twisted conductors. The conductors may be laid parallel or twisted together to form a flat, oval, or round cable construction. Lay not specified. Barrier layer and/or fillers optional. May use same or mixed AWG sizes. Manufacturer shall maintain a complete description of each assembly.
CoveringOptional. Extruded PVC, 5 mils min thickness at any point, over the assembly or groups of singles.
ShieldOptional. May be over one or more of the insulated conductors or applied over the assembly.
JacketExtruded PVC
Dia of cable under jacket*Minimum averageMinimum at any point
0.250 inch or less15 mils12 mils
0.251-0.424 inch30 mils27 mils
0.425-0.700 inch60 mils48 mils
0.701-1.500 inch80 mils64 mils
1.501-2.500 inch110 mils88 mils
2.501 inch or larger140 mils112 mils
* Major dia if flat or oval construction
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseUse No. 1A Internal wiring in Class 2 circuits of electronic equipment where each end is terminated in connectors. Use No. 1B Cables using 30 mils or greater jacket thickness only: External interconnection or internal wiring in Class 2 circuits of electronic equipment where each end is terminated in connectors. Use No. 2A Internal wiring in class 2 circuits of electronic equipment or external interconnection in class 2 circuits of electronic equipment wherenot routing along walls, floors, or other abuse areas. or Use No. 2B Cables using 30 mils or greater jacket thickness only: External interconnection or internal wiring in class 2 circuits of electronic equipment.

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