Where do we connect a fuse: with live or with neutral wire?

Define live and neutral wires.

Fuse wire

A fuse wire be

It is dangerous to connect the switch in the neutral wire. Explain your answer.

The diagram below shows a dual control switch circuit connected to a bulb. Out of A and B which one is the live wire and which one is the neutral wire ?

To which wire do you connect fuse wire in a house hold circuit?

Describe identifcation and function of live wire, neutral wire and earth wire in an electric circuit .