A switch is not touched with wet hands while putting it on or off. Give a reason for your answer.

The diagram in figure shows a three pin plug. Label the three pins.
Why is the top pin thicker and longer than the other two ?

The diagram in figure shows a three pin plug. Label the three pins.

Why are the pins splitted at the ends ?

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 ?