Which of the following precautions need not be taken while using electric gadgets/appliances/ circuit?
$(a)$. We should never touch a lighted electric bulb connected to the mains.
$(b)$. We should never experiment with the electric supply from the mains or a generator or an inverter.
$(c)$. We should never use just any wire or strip of metal in place of a fuse.
$(d)$. We should never turn the switch in ON position.

While using electric gadgets/appliances/circuits, "We should never turn the switch in ON position." This precaution does not need to be taken.

So, option $(d)$ is correct.

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Updated on: 10-Oct-2022

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