Why is electrical wiring usually covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
none of these
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Correct option is C)
Electrical wiring is usually covered with layer of plastic to make it safe. As we know that plastic is an electrical insulator and it is readily available and cheap. So as to insulate the electricity carrying wire, to make it shock free. It is covered with layer of plastic.
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