Patent ID: 7286918

Claim:
A recreational vehicle comprising: a chassis which includes a living space; an electrical system for providing electrical power to the living space; an air conditioner for cooling the living space; a heater for heating the living space; a plurality of appliances within the living space attached to the electrical system; an engine for moving the recreational vehicle; a motor generator for supplying power to the recreational vehicle; a connector for connecting the electrical system of the recreational vehicle to an external power source; and a local area network system electrically connected to the air conditioner, the heater, the plurality of appliances, and the motor generator, the local area network managing the power provided to the air conditioner, the heater, the plurality of appliances and for enabling the motor generator when available power through the connector drops below a threshold level, wherein the threshold level is based on automatically determined external power source line voltages and automatically determined phase angle differences between the external power source line voltages.