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. Why do wires have plastic covering |
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Answer» Most electricalwire is coveredin a rubber orplasticcoating called insulation. ... The purpose of insulationcoveringthe metal part of an electricalwire isto prevent accidental contact with other conductors of electricity, which might result in an unintentional electric current through those other conductors. Wires are generally made of copper which is a metal. If high current is passed through that wire it will be heated and start melting. So to avoid that wires have plastic covering tnq |
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