Why are wires coated with plastic coverings:

to make it a bit decorative

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to make it more durable

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it order to make them distinguishable

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to make it shock free

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Solution

The correct option is D to make it shock free
In order to distinguish between the live wire, neutral wire and earth wire the wires are provided with different coloures of insulated covering. Plastic is an insulator. So, it is used to make it shock free.

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Similar questions

Which plastic is used :

(a) for making uniforms of fire-men fire resistant ?

(b) for giving non-stick coating on frying pans?

(d) for making insulation (covering) of electric wires ?

(e) for making electric switches ?

(f) for making flexible water bottles ?

Plastic commonly used to make bottles as it is:

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