APPLIANCE WIRING MATERIAL
Subj.758 Section 3 Page 3997 Issued:2015-10-07
Revised:2015-10-08
Style 3997 Single Conductor with Extruded Insulation

Rating150 deg C, 1000 Vac, Horizontal flame.
Conductor30 AWG - 1000 kcmil, solid or stranded.
InsulationExtruded SR.
Conductor sizeMinimum average thicknessMinimum thickness at any point
30-9 AWG30 mils27 mils
8 AWG45 mils40 mils
7-2 AWG60 mils54 mils
1-4/0 AWG80 mils72 mils
250-500 kcmil95 mils85 mils
501-1000 kcmil110 mils99 mils
Maybe applied in two layers with an intermediate glass braid (optional).
CoveringOptional. Polyester or fiberglass braid.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal Wiring of Appliances where totally enclosed.

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