Question

Why do wires have plastic covering?​

Answer 1

Answer:

Wires have plastic covering just because , as uh already know that plastic is good insulator of electricity and to prevent any one to had an electric shock wires are covered with it. Also it helps wire to have a definitr shape and size which helps efficiency in folw of electricity ..

Explanation:

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Answer 2

Most electrical wire is covered in a rubber or plastic coating called insulation. ... The purpose of insulation covering the metal part of an electrical wire is to prevent accidental contact with other conductors of electricity, which might result in an unintentional electric current through those other conductors.