Patent ID: 7209331
Filing Date: 2007-04-24
Classification: G01R,H01R,H02H

Abstract:
1. A device for inspecting an electrical system, wherein the electrical system is installed in a structure and includes a power panel and a plurality of branch circuits, with each branch circuit having a respective circuit breaker connected to the power panel, the device comprising: a power source; a power interface unit including a Ground Fault Circuit Interrupter (GFCI) for interconnecting the power source with the power panel; a means for selectively closing the circuit breaker of an individual branch circuit to test a power response thereof to indicate whether the individual branch circuit has a fault therein; and a protective means for preventing closing of the GFCI when the GFCI is powered and the device and the power panel are disconnected, said protective means including a means for producing a ground fault when the device is powered and disconnected from the power panel.