H - Electricity – 02 – H
Patent
H - Electricity
02
H
317/12
H02H 3/16 (2006.01) H01H 71/56 (2006.01) H01H 83/04 (2006.01)
Patent
CA 1039800
ABSTRACT OF THE DISCLOSURE Ground fault protection for an electrical installation is provided by isolating from neutral the service entry box and the raceways and conduits forming a ground return system connected to the box, and connecting a device between the box and neutral which responds to current leakage into the ground return system above a predetermined level by opening a switch in the entry box to interrupt the supply to the system.
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