What color is the insulation of the earth wire in an electrical plug?

The insulation of the earth wire in an electrical plug is green and yellow. This distinctive coloration serves a crucial safety function, as it helps to clearly identify the earth wire among other wires, such as the live and neutral wires, which have their own specific color codes. The green and yellow stripes indicate that this wire is connected to the earth, providing a path for electrical current to safely discharge into the ground in case of a fault. This is vital for preventing electric shock and ensuring the safe operation of electrical appliances. Having a standardized color coding system is crucial in electrical work for safety and consistency, reducing the risk of confusion or error during installation or maintenance.