Patent ID: 8563883

Claim:
A transfer switch arrangement adapted for interconnection in a power supply system for an electrical load, for selectively switching power to the electrical load between a primary power source and an alternate power source, the transfer switch comprising: a housing having a cover that is movable between an open position and a closed position for selectively providing access to an interior defined by the housing; an input receptacle configured to engage an electrical connector of the alternative power source, wherein the input receptacle is movably interconnected with the housing for movement between a first position for facilitating engagement of the connector with the receptacle when the cover is in the open position, and a second position when the cover is in the closed position; and a selector switch contained within the interior of the housing and interconnected with the electrical load, the primary power source and the alternate power source, wherein the selector switch is operable to selectively connect and disconnect the primary power source and the alternate power source with respect to the electrical load, and wherein the cover prevents access to the selector switch when the cover is in the closed position.