What is the purpose of a ground wire?
Answer It provides a path back to the source of the electrical current in the event of a fault
A ground wire provides a conducting path to the earth which is independent of the normal current-carrying path in an electrical appliance. In household circuits, it is connected to the electrical neutral at the service panel to guarantee a low resistance path that trips the circuit breaker or fuse in the event of an electrical fault.
Asked by Elizabeth T · Last updated 5 years ago · 2.2M views · SOURCE
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