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 ...

Full-voltage, single-speed motor starters: Single-speed squirrel-cage motors have starters that fall into two categories: full-voltage or across-the-line starters; and reduced-voltage starters.

See exactly how a starter actually spins a motor thanks to this nifty custom see-through model. Starter motors are incredibly convenient pieces of engineering. Instead of having to use a hand crank to ...

Back in the day, you had to hand-crank your engine to start it. Thankfully, Charles Kettering and Cadillac gave us the electric starter motor in 1912, and we’ve started our engines from the comfort of ...

Motor Starter is a device which is connected in series with the motor to decrease its starting current and then increase it as motor starts rotating gradually. It is an electrically operated switch ...

The opening part of this series laid out how the starter motor works, set the thing in the context of its electrical supply and suggested a few eyes-and-ears checks as the first steps in ...

Vehicle alternators are interesting beasts. Produced on a massive scale, these electric machines are available for a minimum of cost and contain all kinds of great parts: some power electronics and a ...