Discussion
Which colour of wire shows phase wire generally in house wiring?
Answer: B
The phase wire is generally Red.
Under the colour code long followed in Indian house wiring, the phase (live) conductor is red, the neutral is black and the earth is green. In three-phase supplies the phases are red, yellow and blue.
Black is the neutral and green the earth under that code. Newer wiring standards follow international colours, in which blue is the neutral, so blue is not the general colour for a phase in house wiring either.
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