APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20220 Issued:1982-12-15
Revised:2019-11-07
Style 20220 Multiple-conductor cable using non-integral jacket

Rating150, 200 or 250 degC, 300 or 600 Vac, Horizontal flame.
InsulationLabeled or complying with manufacturer's AWM Procedure. The designations of all styles of individual conductors used in making up the cable assembly shall be available.
ShieldOptional.
AssemblyTwo or more individually insulated conductors or groups of insulated conductors cabled together. All conductors in any group twisted together. If more than one group is used, groups shall also be twisted together. The length of lay of the twisted conductors or groups is not specified. A barrier layer, if employed, may be a fibrous wrap serving, or braid; paper; nylon; oriented polyethylene terephthalate; or thermoplastic-tape wrap. Such a barrier would serve to protect the cable during further processing and would be applied immediately over the twisted assembly of individual conductors or groups of conductors.
JacketExtruded PTFE,TFE or tape wrapped PTFE,TFE
dia of cable under jacket
0.425 inches or less15 mils min average12 mils minimum at any point
0.426-0.700 dia20 avg16 min
0.701-1.500 dia30 avg24 min
1.501-2.500 dia45 avg36 min
2.501 dia and larger60 avg48 min
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal wiring of appliances or electronic equipment. In addition, the tag may also indicate 2500 V peak - For Electronic Use Only.

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