Colour coding of wires in a cable | Physics class 10

Each electric appliance is provided with a three flexible cable. The insulation on the three wires is of different colours. This colour coding of wires helps us to connect the switches, plugs and other electrical components through the proper wire in the circuit of house wiring.

Colour coding of wire

Wireold conventionNew convention
NeutralBlackLight blue
EarthGreenGreen or Yellow

Color coding of wire

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