Draw a Labelled Diagram of a Three Pin Socket.

The diagram in Figure shows a three-pin socket marked as $1,2$ and $3.$
Identify and write live $\left(L\right),$ neutral $\left(N\right)$ and earth $\left(E\right)$ against the correct number.

The diagram in Figure shows a three-pin socket marked as $1,2$ and $3.$
To which part of the appliance is the terminal $1$ connected ?

The diagram in Figure shows a three-pin socket marked as $1,2$ and $3.$

To which wire joined to $2$ or $3,$ is the fuse connected and why ?

What do you mean by the term local earthing ? Explain how it is done.

The metal case of an electric appliance is earthed. Explain the reason.