APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21189 Issued:2002-01-23
Revised:2011-10-14
Style 21189 Multiconductor Cable with Extruded Non-integral Jacket.

Rating60 deg C, 30 Vac, Cable flame for Construction A, Horizontal flame for Construction B.
Conductor40 AWG minimum.
InsulationLabeled or complying with Manufacturer's AWM Procedure.
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. A 6 mil or heavier PVC covering may be extruded over the conductor assembly.
ShieldOptional.
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 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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