APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21242 Issued:1977-04-12
Revised:2012-04-24
Style 21242 Multiple-conductor cable using non-integral jacket.

Rating250 deg C, 300 Vac, Cable flame.
InsulationLabeled or complying with manufacturer's AWM Procedure.
AssemblyTwo or more individually insulated conductors or coaxial members, or groups of insulated conductors cabled together to form a round cable. Glass fiber fillers may be used in a cable but are not required. A barrier layer, if employed, may be a PTFE or equivalent tape wrap. Such a barrier layer would serve to protect the cable during further processing, and would be applied immediately over the twisted assembly or individual conductors or groups of conductors.
ShieldOptional.
JacketExtruded PFA
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
0.250 inch or less8 mils6 mils
0.251-0.350 inch10 mils8 mils
0.351-0.500 inch13 mils10 mils
0.501-0.700 inch15 mils12 mils
0.701-1.500 inch20 mils16 mils
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal Wiring or External Interconnection of Electronic Equipment.

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