The colours conventionally used in domestic electric wires are:

Black, yellow, green

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Red, blue, green

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Red, yellow, blue

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Red, black, green

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Solution

The correct option is D Red, black, green
According to the electrical standards of India, red is used for the live (or line) power conductor, black for the neutral wire, and green for the protective earth or ground wire.

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The colours conventionally used in domestic electric wires are:

The correct option is D Red, black, greenAccording to the electrical standards of India, red is used for the live (or line) power conductor, black for the neutral wire, and green for the protective earth or ground wire.

The correct option is D Red, black, green
According to the electrical standards of India, red is used for the live (or line) power conductor, black for the neutral wire, and green for the protective earth or ground wire.