H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 3/08 (2006.01) H02H 1/00 (2006.01) H05K 7/02 (2006.01)
Patent
CA 2328536
An arcing fault protection assembly in an electrical outlet, and a corresponding method determine whether arcing is present in an electrical device connected to the outlet. The assembly comprises a sensor, a broadband noise circuit, a controller and an electrical device. The sensor detects a current and develops a corresponding sensor signal. The broadband noise circuit determines the presence of broadband noise in the sensor signal and produces a corresponding output signal. The controller processes the sensor signal and the output signal in a predetermined fashion to determine whether an arcing fault is present. The sensor, the broadband noise circuit and the controller are mounted to the outlet receptacle or to an outlet box which houses the receptacle. The electrical device is connected in parallel to the first electrical outlet on the load side of the sensor.
Dvorak Robert F.
Grattan Brian G.
Haun Andy A.
Larson Brett E.
Wong Kon B.
Marks & Clerk
Square D. Company
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