5.Why do wires have plastic covering – InterviewSolution

1.	5.Why do wires have plastic covering
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.

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