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| Rating | 60 deg C, 300 Vac, FT2 flame. |
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| Conductor | 20 AWG solid or stranded round, tinned or bare copper. |
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| Insulation | PVC, 20 mils min average, 18 mils minimum at any point. Colored insulation and/or colored stripes on insulation used for circuit identification. |
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| Assembly | Twenty-one conductors, nineteen insulated conductors around the shielded pair with textile fillers and an overall cotton wrap. |
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| Shield | 36-30 AWG tinned copper applied as a braid over two insulated conductors, twisted with textile fillers. A cotton wrap shall be applied over the shield. |
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| Jacket | PVC, 30 mils min average, 24 mils minimum at any point. |
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| Standard | Appliance Wiring Material UL 758. |
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| Marking | General. |
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| Use | For use only on dictating and transcribing machines. |
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