But the metal case is connected to an electrical path consisting of the ground wire in the power cord plugged into the wall socket, as well as the wire from the wall socket to the breaker panel.

If something goes wrong in that panel, it may cause those ... feed wire is clamped to the circuit breaker, while the neutral (white) wire and bare copper ground wire are clamped to the common ...

A ground fault is a type of short circuit where a hot wire comes into contact with ... carry the stray current back to the panel, tripping the breaker. There are many types of circuit breakers ...