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| Rating | 200 or 450 deg C, 600 Vac, Horizontal flame. |
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| Conductor | 26 AWG - 550 kcmil. Solid or stranded for sizes 26 - 8 AWG; Stranded only for larger sizes than 8 AWG. |
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| Insulation | Mica tape with braid, or Mica composite (see Facing Page) with braid. |
| Conductor size | Min average thickness of total Mica tape layers | Min average thickness of Glass Braid Treated with Silicone Varnish or TFE Finish |
| 26 - 12 AWG | 25 mils | 7 mils |
| 11 - 4 AWG | 30 mils | 15 mils |
| 3 - 4/0 AWG | 35 mils | 20 mils |
| 250 - 550 kcmil | 40 mils | 20 mils |
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| Assembly | Optional, two or more insulated conductors, may be cabled together with a max O.D. of 1.500 inches. A mica glass binder and/or fiberglass fillers may be employed. |
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| Shield | Optional, 36 - 30 AWG strands. |
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| Covering | Optional, over assembly, treated glass braid. |
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| Standard | Appliance Wiring Material UL 758. |
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| Marking | General. |
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| Use | Internal Wiring of high-temperature equipment where not subjected to repeated flexing and protected from mechanical abuse, and where the acceptability, including current-carrying capacity, has been determined by Underwriters Laboratories Inc. |
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