APPLIANCE WIRING MATERIAL
Subj.758 Section 1 Page 1491 Issued:1970-10-20
Revised:2012-01-19
Style 1491 Single conductor with extruded insulation

Rating85 or 90 deg C, 600 Vac, Horizontal Flame.
Conductor26 AWG -2 AWG. 26 AWG - 8 AWG, solid or stranded. 7 AWG -2 AWG, stranded only.
InsulationExtruded PVC.
Conductor sizeMinimum average thicknessMinimum thickness at any point
26-12 AWG12 mils9.5 mils
11-8 AWG14 mils11.5 mils
7-2 AWG20 mils17.5 mils
CoveringCotton or lacquered glass braid.
ShieldOptional - Copper braid.
BraidOptional - Lacquered cotton braid.
CoveringOptional - Extruded Nylon, 2 mil minimum thickness at any point.
CoveringOptional - Extruded PVC.
Diameter of core assembly under jacketMinimum average thicknessMinimum thickness at any point
less than 0.375 inch15 mils8 mils
0.375 inch or greater25 mils15 mils
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal wiring of electronic equipment.

UL and the UL Logo are trademarks of UL LLC © 2024