In house wiring, black and green wires indicate

In house wiring, black and green wires indicate

Right Answer is:

Phase and earth respectively


Color code of electrical wiring.

Black electrical wire is used for power in all circuits Any circuit’s black wire should be considered hot or live. The black wire is never used for a ground or neutral wire and should be used as the power feed for a switch or an outlet.

Red electrical wire indicates the secondary live wires in a 220-volt circuit, used in some types of switch legs and in the interconnection between smoke detectors that are hard-wired into the power system.

Yellow and blue electrical wires are also used to carry power but are not for wiring the outlets for common plug-in electrical devices. These colors are used for the live wire pulled through conduit.

White and gray indicate a neutral wire.

Green indicates the grounding of an electric circuit. A green wire can connect only to another green wire and should never connect to Lanv other color wire


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