Subj.758 Section 2 Page 20554 Issued:1987-08-21
Style 20554 Multiple-conductor cable using non-integral jacket

Rating80 deg C, 30 Vac, Horizontal flame.
Conductor40 AWG minimum solid or stranded.
InsulationLabeled or complying with manufacturer's AWM procedure.
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 conductor 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 mil or heavier covering may be extruded over the conductor assembly.
JacketExtruded TPU
dia of cable under jacket
0.350 inches or less*15 mils min average12 mils minimum at any point
0.351-0.700 dia30 avg24 min
0.701-1.000 dia45 avg36 min
1.001-1.500 dia60 avg48 min
*Major diameter if cable is flat or oval.
StandardAppliance Wiring Material UL 758.
UseInternal wiring of electronic equipment and appliances

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