Question

Name the colour used in insulated wires of electrical appliance.

• A. Red
• B. Green
• C. Black
• D. All of these

Answer 1

Answer: (D)

All of these

The three different colors of insulation used in the electrical wires are red, black, and green. In old convention, the red wire is the live wire, the black wire is neutral and the earth wire is given green insulation. In new convention, the brown wire is the live wire, the light blue wire is neutral and the earth wire is given green-yellow insulation.