Question

The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?

Answer 1

Insulators:

1. An electrical insulator is a material that prevents electric current from flowing freely.
2. For example, rubber, glass, oil, etc.
3. Plastic and rubber are both poor electrical conductors.
4. As a result, current cannot pass through them.
5. The handles of tools used by electricians for repair work, such as screwdrivers and pliers, are usually covered in plastic or rubber does not allow current to pass through and protect the electrician from electric shock.

Thus, To protect the electrician from electric shock handles of tools are usually covered with plastic or rubber.