Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection
Patent
1977-05-02
1978-08-29
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Ground fault protection
324 51, 340652, 361 48, 361 50, H02H 102
Patent
active
041108078
ABSTRACT:
Disclosed is a system for monitoring the resistance in the pilot and ground conductors of a power cable and for interrupting power if the resistance exceeds a predetermined limit established for the particular cable. Novel circuit arrangements are employed to reset and calibrate the system.
REFERENCES:
patent: 3676739 (1972-07-01), Neuhouser
patent: 3840782 (1974-10-01), Monaghan
Harvey Hubbell Incorporated
Moose Jr. Harry E.
Presson Jerry M.
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