Three colour wire generally used in house fittings are......
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the wires used are
green - earth wires
red- live wires
blue-nuetral wires
hope it helps you
Answer:
Red:-It is called a live wire.
Black:-It is called a neutral wire.
[Usually the potential difference supplied by the powerhouse is maintained by these wires]
Green:-This wire is called an earth wire.It is connected to the mettalic body of the appliance and maintains any leakage of current to the potential of the earth.