US Patent 7375306 Cooking appliance having multiple operating configurations

A cooking appliance is provided. The cooking appliance is coupled to a power supply that includes a first hot wire, a second hot wire and a ground wire. The cooking appliance includes a cabinet and a cavity defined within the cabinet. The cooking appliance also includes at least one heating assembly having two electrical heating elements positioned with respect to the cavity. A first electrical heating element is electrically coupled to the first hot wire and the ground wire. A second electrical heating element is electrically coupled to the second hot wire and the ground wire.