Ground fault current will return only to the source from which it originates, providing for coordination of the ground fault protection scheme. It’s not always necessary to separately ground the ...

Medium-voltage (MV) generators are not designed to withstand full fault current during a single phase-to-ground fault, which is why they are connected to a system with either low- or high-impedance ...

My friend’s questions were these: was using a GFCI on a receptacle without a true ground just a cosmetic, feel-good thing? Did it provide any protection? Full protection? Was it code approved? Most ...