This FAQ will look at the advantages and attributes of three-phase AC, also called multiphase or polyphase AC.

Electric motors are critical assets in many applications, so access to nameplate ratings and terminal markings can save time ...

Let’s face it—seeing a good tool go to waste is heartbreaking. So when his cordless drill’s motor gave up after some unfortunate exposure to the elements, [Chaz] wasn’t about to bin it.