Discussion
If it is unavoidable to work on a live circuit, then which of the following are to be used to ensure safety?
Answer: A
If it is unavoidable to work on a live circuit, the worker must be insulated from the live parts and from the ground, which is done with rubber gloves and a rubber mat to stand on. Bare hands would give a path for the current through the body, and GI pipes and copper rods are conductors, so they would carry current and could cause a shock or short circuit. The answer is Rubber gloves and rubber mats, option (A). Rubber is an insulator, and so the rubber gloves keep the current from passing through the body, and the mat keeps the feet from the earth.
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