Subj.758 Section 2 Page 20671 Issued:1990-12-11
Style 20671 Multiple-conductor cable using non-integral jacket.

Rating90 deg C, 30 Vac, 60 Vac, 90 Vac, 150 Vac, Cable flame.
Conductor40 AWG minimum, solid or stranded.
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; thermoplastic covering or thermoplastic tape wrap. The barrier layer may be applied over the twisted assembly of individual conductors, groups of conductors or individual conductors or over the shield, if provided.
JacketExtruded TPU.
Diameter ofassembly under jacketMinimum average thicknessMinimum thickness at any point
0.700 or less30 mils24 mils
0.701-1.000 in45 mils36 mils
1.001-1.500 in60 mils48 mils
1.501-2.500 in80 mils64 mils
2.501-4.000 in110 mils88 mils
4.001 in and larger140 mils112 mils
StandardAppliance Wiring Material UL 758.
UseInternal wiring or external interconnection of electronic equipment. or Internal wiring or external interconnection of electronic equipment in abuse areas.

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