Q1.Which color is used for the earth wire?

• Answer: Green (or Green-Yellow in home wiring).

Q2. What happens if we connect live and neutral wrongly?

• Answer: Appliances may get damaged, shocks may occur, or circuit breakers may trip.

Q3. (MCQ) Which of the following is the live wire in home wiring?
(a) Blue
(b) Brown/Red
(c) Green
(d) Black

• Answer: (b) Brown/Red

Q4. Why is the earth wire important?

Answer: It provides a safe path for leakage current and protects people from electric shocks.