H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 83/02 (2006.01) H01H 83/04 (2006.01) H01R 13/713 (2006.01)
Patent
CA 2503933
An electrical extension cord includes a leakage current detector to interrupt the power to a corded appliance. The electrical extension cord includes a continuous duty relay having contacts coupled to allow current to flow from an input power source to a load when the relay is in an energized state. An electronic switch can switch the relay between the energized state and a de-energized state. The electrical extension cord includes a shield protecting phase conductors and a ground conductor. The leakage current detector can detect a leakage current between the shield and the ground conductor.
Bradley Roger M.
Chan David Y.
Keating Thomas
Bradley Roger M.
Chan David Y.
Keating Thomas
Leviton Manufacturing Co. Inc.
Ridout & Maybee Llp
LandOfFree
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