Q.

Is it true that a wire with green insulation is usually the live wire of an electric supply?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
A live wire is a wire carrying electric current. The live wire has red insulation, whereas the earth wire has green insulation in domestic circuits. Thus, a wire with green insulation is not the live wire of an electric supply.
The correct statement would be that the wire with green insulation is the earth wire.
 
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