The NEC defines a controller in a few different ways. In Art. 100, a controller is described as “a device or group of devices that serves to govern, in some predetermined manner, the electric power ...

The Duplex Pump Control Panel for boiler feed and condensate pumps has a compact design and is suitable for use in tight spaces, says the manufacturer. The company says the panel uses a Motor Circuit ...

In troubleshooting situations involving a motor, more than half the battle is simply isolating the problem. Whenever there’s a working motor, there’s a load and there’s some sort of motor controller, ...