The connecting cable of electrical appliances like electric iron, water heater or room heater contains three insulated copper wires of three different colours-red, green and black Which one of the following is the correct colour code?

• A

  Red-live wire, Green-neutral wire, Black-ground wire
• B

  Red-neutral wire, Green-ground wire, Black-live wire
• Correct answer
  C

  Red-live wire, Green-ground wire, Black-neutral wire
• D

  Red-ground wire, Green-live wire. Black-neutral wire

Hence, the correct answer is option: 'C'.