One Wrong Move Could Burn Down the House! Can You Pass This Home Safety Quiz?14.When should you stop using an old air conditioner immediately?70%Next Correct Incorrect That’s a sign of electrical leakage—could be fatal if ignored. 14.When should you stop using an old air conditioner immediately? It vibrates slightly while running You get a tingling electric shock from touching it It cools the room more slowly The outside unit is dusty 70%