As shown in figure "A" of the ungrounded distribution system, under what conditions would an outage likely occur due to a ground fault (or faults) causing a circuit breaker to trip? Illustration EL-0129

Question

Accepted Answer

two ground faults associated with different phases

Answer

two ground faults associated with the same phase

Answer

ground faults do not result in outages regardless of the number and location of faults

Answer

a single ground fault associated with any phase

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