Question

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

Answer 1

Without the help of insulators, the use of electrical tools like pliers and screwdrivers is impossible. Wood and plastics are insulators and help in avoiding direct contact with electric current. When electricians touch these live electric wires with the tools covered with plastic and wood, current does not flow in their body avoid any accident.