Subj.758 Section 2 Page 2661 Issued:1973-09-21
Style 2661 Multiple-conductor cable using non-integral jacket

Rating80, 90 or 105 deg C, 300 Vac, Cable Flame.
Conductor40 AWG - 6 AWG. Solid or stranded.
Insulated ConductorLabeled or complying with manufacturer's AWM Procedure.
AssemblyTwo or more insulated conductors or groups of insulated conductors cabled together to form a round cable. A flat or oval cable may also be constructed with no more than three rows of single insulated conductors or groups of insulated conductors. The length of lay of the twisted or groups insulated conductors is not specified. Fillers may be used in the cable but are not required. A barrier layer, if employed, may be 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 insulated conductors or groups of insulated conductors or over the shield, if provided. Cable may employ optional steel strength member.
JacketExtruded PVC.
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
0.700 inch or less30 mils24 mils
0.701-1.00045 mils36 mils
1.001-1.50060 mils48 mils
1.501-2.50080 mils64 mils
2.501-4.000110 mils88 mils
4.001 inch or greater140 mils112 mils
StandardAppliance Wiring Material UL 758.
UseExternal interconnection of electronic equipment.

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