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Cables and wires need to be good electrical conductors. They are made of . For safety, wires are covered with materials that do not conduct electricity. The wires are covered with . Any material that is
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Cables and wires need to be good electrical conductors.

They are made of .



For safety, wires are covered with materials that do not conduct electricity.



The wires are covered with .



Any material that is a non-conductor is an

User Potheek
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Cables and wires are made of copper.

Wires are usually covered with insulating materials such as plastic, rubber-like polymers or varnish.

Any material that is a non-conductor is an insulator.
User Praveen Vinny
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