Patent ID: 7834486

Claim:
An assembly that coordinates powering of a second electrical panel and a first electrical panel when primary power to the first electrical panel and the second electrical panel is interrupted, the assembly comprising: a second electrical panel feeder switch located in the first electrical panel and electrically interconnected between a primary power source and the second electrical panel, wherein the second electrical panel feeder switch is switchable between a first state in which current flow is permitted between the primary power source and the second electrical panel and a second state in which current flow is prevented between the primary power source and the second electrical panel; an auxiliary power input switch electrically interconnected between an auxiliary power source and the first electrical panel, wherein the auxiliary power input switch is switchable between a third state in which current flow is permitted between the auxiliary power source and the first electrical panel and a fourth state in which current flow is prevented between the auxiliary power source and the first electrical panel; and an interlock interconnected between the second electrical panel feeder switch and the auxiliary power input switch, wherein the interlock is adapted to prevent the second electrical panel feeder switch from being in the first state when the auxiliary power input switch is in the third state.