In India, which of the following colour is used to denote the earth wire in the supply?
Show answer & explanation
Correct answer: C
Explanation
In domestic electrical wiring in India, standard colors are used to identify different wires. The grounding wire—also known as the earth wire—is crucial for safety, as it channels excess or leakage current into the ground, thereby minimizing the risk of electric shock. To identify this wire, the color green is typically used, allowing it to be easily distinguished from other wires. Furthermore, a red wire usually indicates the live (phase) line, while a black or blue wire is used for the neutral connection. Proper identification makes it possible to prevent electrical accidents; therefore, the color green has been specifically designated for the grounding wire.