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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 -

With screwdrivers, the electrician has to touch naked wires and screws in which electricity is flowing. If the screwdriver will have no handle made of plastic or wood, the electricity will flow through the screwdriver to his body, which is itself a good conductor of electricity and he has to face an electric shock. If handles are coated with wood or plastic, which are insulators, that will check this flow of electricity, thus making him safe from electric shock.

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