Patent ID: 8736103

Claim:
A method of transferring electrical, power to a plurality of loads from a utility power supply that normally supplies power to the plurality of loads to an electric generator that supplies standby electrical power to the plurality of loads during interruption of the utility power supply, the method comprising: detecting an interruption of the delivery of utility power to the plurality of loads, wherein the plurality of loads includes a first priority load and a second priority load that are provided standby electrical power during interruption of the delivery of utility power; disabling the plurality of loads, for a preset wait period, upon interruption of utility power; after expiration of the preset wait period, enabling the first priority load without enabling the second priority load; and observing a preset delay period after enabling of the first priority load and enabling the second priority load upon expiration of the preset delay period; wherein the first priority load is disabled before the enabling of the second priority load.