Question

which wire is always used for earthing​

Answer 1

Answer:

In wiring systems that use plastic-sheathed cable, an extra wire is used for grounding. Since electricity is always looking for the shortest path back to the earth, if there is a problem where the neutral wire is broken or interrupted, the grounding wire provides a direct path to the ground.

Explanation:

Answer 2

Answer:

In wiring systems that use plastic-sheathed cable, an extra wire is used for grounding. Since electricity is always looking for the shortest path back to the earth, if there is a problem where the neutral wire is broken or interrupted, the grounding wire provides a direct path to the ground.

Explanation:

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