Patent ID: 6969801
Filing Date: 2005-11-29
Classification: H01R,H02H

Abstract:
1. A protection device coupled to a power source disposed in an electric power distribution system, the protection device being configured to protect a portion of the power distribution system from at least one fault condition, the device comprising: line terminals configured to be coupled to the power source when a proper wiring condition is effected; a receptacle member including receptacle openings configured to accommodate plug contact blades; receptacle contacts disposed in the receptacle member and coupled to the line terminals, an electrical connection being established between the receptacle contacts and the line terminals; at least one protective shutter movable between a closed position and an open position, the at least one protective shutter being disposed between at least one receptacle opening and the corresponding receptacle contact in the closed position to prevent the plug blades from making contact with the receptacle contacts; and a mis-wiring sensor coupled to the line terminals, the mis-wiring sensor being configured to sense the proper wiring condition and actuate the protective shutter in response thereto, such that the protective shutter moves from the closed position to the open position, whereby the plug blades are permitted to make contact with the receptacle contacts upon insertion of the plug blades into the receptacle openings.