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9 October, 10:39

Why are power cords coated with a material that has different physical properties than the wire inside?

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  1. 9 October, 12:33
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    Power cords are conductors and are covered by insulators. If they were not, then it would be easy to create a short-circuit. It would also be not safe, as a person touching the bare wires would be electricuted.
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