rubber is used as a transmitter. rubber helps to ground them. rubber is a nonconductor. rubber is a conductor.
I gave my students this multiple choice question: Electricians wear rubber boots and gloves while working with circuits. The main reason for this is because

Only one answer is correct among these 4 choices:
- rubber is used as a transmitter.
- rubber helps to ground them.
- rubber is a nonconductor.
- rubber is a conductor.

Could you tell me which one is correct?

rubber is a nonconductor.