APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20276 Issued:1983-08-16
Revised:2013-02-25
Style 20276 Multiconductor cable with extruded non-integral jacket

Rating60 or 80 deg C, 30 V ac, Cable Flame on construction A, Horizontal flame on construction B.
Insulated ConductorLabeled or complying with AWM Procedure. 40 AWG minimum.
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. 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 at any point, over the conductor assembly.
ShieldOptional.
JacketExtruded PVC.
Construction AConstruction B
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any pointMinimum average thicknessMinimum thickness 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 mils36 mils40 mils36 mils
1.101-1.500 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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