APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21027 Issued:1999-07-19
Revised:2019-11-07
Style 21027 Multiple-conductor cable using non-integral jacket

Rating60 or 80 deg C, 125 Vac, Horizontal Flame (Internal), Cable Flame (External).
Insulated ConductorLabeled or complying with manufacturer's AWM Procedure.
AssemblyTwo or more insulated singles, twisted pairs or groups of twisted insulated singles twisted together or insulated singles or groups of insulated singles may be laid parallel to form flat, oval or round cable. Length of lay not specified. 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, PE, ETFE or XLPE covering may be extruded over the insulated conductor assembly.
ShieldOptional.
JacketPVC
major dia. in inches
0.700 or less30 mils min average24 mils minimum at any point
0.701-1.000 dia45 avg36 min
1.001-1.500 dia60 avg48 min
1.501-2.500 dia80 avg64 min
2.501-4.00 dia110 avg88 min
4.001 dia and larger140 avg112 min. Extruded PVC
Diameter of core assembly under jacket*, Minimum average thickness, Minimum thickness at any point; 0.700 inch or less, 30 mils, 24 mils; 0.701-1.000, 45 mils, 36 mils; 1.001-1.500, 60 mils, 48 mils; 1.501-2.500, 80 mils, 64 mils; 2.501-4.000, 110 mils, 88 mils; 4.001 inch or greater, 140 mils, 112 mils # *Major diameter if cable is flat or oval.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal wiring or External interconnection of electronic equipment.

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