You asked: Which of these is the correct Colour coding for electrical wires?

What Colour wire goes to L and N?

The N is for the neutral side or the white wire, and the L is for the load side, the black wire.

What color is common wire?

White. The “common” is the “neutral” or “ground” wire, depending on the type of circuit. In normal US residential wiring, you’ll have a black “hot” wire, a white “neutral” or “common” wire, and a green or bare “ground” wire.

Which color wire is dangerous?


A hot wire is one that is bringing electricity directly from the electrical panel, which is pulling from your meter and the electrical grid. This makes a black or red wire by far the most dangerous wire and the one most likely to deliver an electrical shock.

What is red and black wire?

Black, red, white with black or red tape will always indicate a hot wire. The term “hot” means these wires carry a live current from your electric panel to the destination. … Black or red wires always carry power from the service panel (breaker box) to your home’s devices.

What is L and N in electricity in India?

L means line wire or phase wire. N means neutral wire. In india line wire colour is red.

Is blue wire positive or negative?

Blue is Negative, and White is Positive. There is nothing like positive or negative in a wire unless and untill it is connected to a power source. A blue wire may be connected to negative terminal of a power source and black may be connected to positive.

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Is Yellow positive or negative?

Yellow is positive, blue is negative.

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