Subj.758 Section 1 Page 1231 Issued:1960-12-02
Style 1231 Single conductor with extruded insulation

Rating105 deg C, 600 Vac, Horizontal flame, 60 deg C Wet. Optional - 60 or 80 deg C Oil.
Conductor18 AWG - 6 AWG, solid or stranded, copper.
InsulationExtruded PVC, Recognized Component QMTT2 PVC insulation compound suitable for use in Type TW wire.
Conductor sizeMinimum average thicknessMinimum thickness at any point
18-8 AWG45 mils40 mils
7-6 AWG60 mils54 mils
StandardAppliance Wiring Material UL 758.
UseInternal Wiring of Appliances or where exposed to oil at a temperature not exceeding (60 deg C or 80 deg C, whichever is applicable); Moisture Resistant, 60 deg C.

UL and the UL Logo are trademarks of UL LLC © 2022