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Question

The colour of insulation over the 'live' wire is always .

A
green
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B
yellow
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C
red
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D
black
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Solution

The correct option is C red
The colour of insulation of the 'live' wire is always red so as to signify danger. As the live wire carries current, it can be dangerous and is the most potent cause of electric shock. Therefore it has the colour red to warn the user.

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