APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20785 Issued:1993-04-09
Revised:2012-04-23
Style 20785 Multiple-conductor cable using non-integral jacket.

Rating90 deg C, 600 Vac, FT2 flame, 60 or 75 deg C Wet.
Conductor0.75 sq mm to 25 sq mm, stranded. Otherwise the same as required for Types ST.
InsulationExtruded PVC. Same as for Type ST. R/C QMTT2 compounds suitable for at least Type TW or THW, or see Facing page. Thickness as noted below:
Conductor size (sq mm)Min Avg (mils)Min at any point (mils)
0.75-1.003027
1.01-6.004540
6.01-25.006054
AssemblyTwo or more conductors. Same as for Type STW. Mixed sizes may be employed.
JacketExtruded PVC. Same as for Type STW. Thickness as noted below:
Dia of cable under jacket (inches)Min Avg (mils)Min at any point (mils)
0.500 or less8064
0.501-0.7509576
0.751-1.00011088
1.001-1.500125100
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseExternal interconnection of appliances and electronic equipment outdoor and in wet locations.

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