Appliances such as refrigerators and space-heating and -cooling equipment for buildings and homes account for a large slice of U.S. electricity consumption. More-sophisticated appliance controls ...

Motors beyond a certain size are too heavy and bulky for a person to lift. In the typical industrial setting, there are many such motors. And because of their weight and bulk, they pose hazards beyond ...

One of the more popular three-phase electrical services supplied to medium-size commercial buildings is the Wye or Star configuration transformer. The name comes from the transformer’s secondary ...