Subj.758 Section 2 Page 2991 Issued:1979-04-11
Style 2991 Multiple-conductor cable using non-integral jacket.

Rating105 deg C, 30 Vac, Cable flame.
Insulated Conductor40 AWG minimum. Labeled or complying with Manufacturer's AWM Procedure having a minimum rating of 105°C.
AssemblyConsists of two or more conductors, twisted pairs or groups of twisted conductors twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. The lay of the conductors is not specified. A barrier layer and/or fillers are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
CoveringOptional. A 6 mils or heavier PVC covering may be extruded over the conductor assembly.
JacketExtruded PVC
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
0.425 inch or less35 mils28 mils
0.426-0.700 inch45 mils36 mils
0.701-1.000 inch60 mils48 mils
1.001-1.500 inch80 mils64 mils
StandardAppliance Wiring Material UL 758.
UseExternal interconnection of electronic equipment, Class 2 Circuits only.

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