APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21140 Issued:2001-04-13
Revised:2019-11-07
Style 21140 Multiple-conductor cable using non-integral jacket

Rating60 deg C, 600, 1000 Vac, Cable flame.
Conductor36 AWG minimum. solid or stranded round, tinned or bare copper.
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.
AssemblyTwo or more individually insulated conductors or groups of insulated conductors cabled together to form a round cable. A flat or oval cable may also be constructed with not more than three rows of single conductors or groups of conductors. The length of lay of the twisted conductors or groups 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; oriented polyethylene terephthalate; 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 of conductors.
ShieldOptional.
CoveringOptional. Extruded TPU, Thickness not specified may be applied over conductor assembly.
BraidOptional.
JacketPUR
major dia. in inches
0.700 or less45 mils min average36 mils minimum at any point
0.701-1.000 dia60 avg48 min
1.001-1.500 dia80 avg64 min
1.501-2.500 dia110 avg88 min
2.500 dia and larger140 avg112 min
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseExternal interconnection of electronic equipment.

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