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Rating | 105 deg C, 600 Vac, Horizontal flame, 90 deg C Wet. |
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Conductor | 30 AWG - 1000 kcmil, solid or stranded. |
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Insulation | R/C QMTT2 Extruded PVC Insulation Compounds for use in Type THWN-2 |
| Conductor size | Minimum average thickness | Minimum thickness at any point |
| 32-12 AWG | 15 mils | 13 mils |
| 11-10 AWG | 20 mils | 18 mils |
| 9-5 AWG | 30 mils | 27 mils |
| 4-2 AWG | 40 mils | 36 mils |
| 1-4/0 AWG | 50 mils | 45 mils |
| 213-500 kcmil | 60 mils | 54 mils |
| 501-1000 kcmil | 70 mils | 63 mils |
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Covering | Extruded Nylon, 4 mils minimum thickness, maximum thickness in accordance the Standard. |
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Standard | Appliance Wiring Material UL 758. |
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Marking | General. |
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Use | Internal wiring |
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