simply because they are safe to use>...
No, an earth wire has a specific safety role in an electrical circuit that does not allow it to be used as one of the two current-carrying wires.
In electrical circuits, white wires are typically used as neutral wires, green wires are used as ground wires, and black wires are commonly used as hot wires.
The colour of earth wire is yellow and green now you may ask why well the reason is that the green one as well yellow color is used as Earth's wire. This is because the green and yellow type wires are for grounding purposes or we can say earthen purposes. Green colored wires are used in an electric circuit for grounding.
Because it's an excellent conductor - and is also relatively abundent in the Earth's crust.
The different colors of wires used in electrical installations have specific meanings. Red wires are typically used for hot wires, white wires for neutral wires, green wires for ground wires, and black wires for hot wires as well.
Brown wires are typically used for live or hot wires, blue wires are used for neutral wires, and green wires are used for grounding in electrical installations.
In electrical circuits, different colors of wires are used to indicate their purpose and function. Red wires are typically used for positive connections, white wires are used as neutral wires, and black wires are commonly used for negative connections. These colors help electricians and technicians easily identify and work with the wires in a circuit.
Green wires are typically used for grounding, black wires are used for carrying electrical current, and white wires are used as neutral wires to complete the circuit.
Earth, Neutral and Acttive.
Black wires are typically used for power supply, white wires are used for neutral connections, and green wires are used for grounding in electrical wiring.
When a section of the electrified railway is isolated, the earth wires are attached to the contact as they help it in grounding.
The most common electrical wires used in residential wiring projects are copper wires. Copper wires are preferred for their conductivity, durability, and safety features. They are typically used for both hot and neutral wires in electrical circuits.