Question

why do electrician wear rubber gloves and shoes

Answer 1

rubber gloves and shoes are poor conductors, i.e., they are insulators!

they don't allow current to pass through them preventing any accident from happening.

they are used as safety precautions, so that the electrician doesn't catch up electric shocks!

Answer 2

they wear them so as current may not hurt them and as per they wear rubber gloves and shoes just because they are bad conductor of electricity so they cannot let the electric to pass through