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Absence of Voltage Test on Generator-Powered Facility

Question asked by devin.jorgensen on Jul 26, 2019

Our company has several portable plants that are completely powered by generator with no utility connection. For an absence of voltage test on this type of plant, would it be sufficient to use a permanently mounted test device on the load side of the main generator breaker to determine that source voltage has been removed from the plant (assuming any stored energy has been released per NFPA 70E 120.5 (4) & (5)), or does the test device need to be local to the specific equipment being accessed?