APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20921 Issued:1996-06-12
Revised:2019-11-07
Style 20921 Multiple-conductor cable using non-integral jacket.

Rating105 deg C, 300 Vac, Cable flame.
InsulationLabeled or complying with manufacturer's AWM Procedure.
AssemblyTwo or more individually insulated wires or group of individually insulated wires cabled together. The length of lay of the twisted wires or groups of wire is not specified. Fillers may be used in a cable but are not required. A barrier layer, if employed, may be a fibrous wrap serving, or braid; paper; nylon (polyamide); PET; or thermoplastic-tape wrap. Such a barrier layer would serve to protect the cable during further processing and would be applied immediately over the twisted assembly of individual conductors or groups or conductors. May be formed in a round or flat assembly.
JacketExtruded PVC
major dia. in inches
0.700 or less30 mils min average24 mils minimum at any point
0.701-1.00 dia45 avg36 min
1.001-1.500 dia60 avg48 min
1.501-2.500 dia80 avg64 min
2.501-4.000 dia110 avg88 min
4.001 dia andlarger140 avg112 min
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal or external wiring of electronic equipment.

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