Any short-circuit conditions which might possibly occur in practice can be produced in their testing room. The generators are driven by 5,500 volt motors connected with the public supply mains.

It’s a setting that’s tailor-made for copycats — students sitting close enough to one another to take a quick peek, should an invigilator look away momentarily.

Rosenstark’s brilliant idea was to perform a pair of loop measurements with the return side terminated first on an open circuit and then on a short circuit , and then to suitably combine the two ...

Q. What is the Code rule for sizing short circuit and ground fault protection for a motor feeder? A. Feeder conductors must be protected against short circuits and ground faults by a protective device ...