The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

A. Cords are permitted if the length doesn’t exceed 3 ft, and it contains a copper equipment grounding conductor, sized in accordance with Sec. 250.122, based on the rating of the overcurrent device, ...

In the first installment of this three-part series of articles, featured in the August 2024 print issue and online, we discussed fire pump requirements along with Code-related references in the ...

Every car lover wants to bolt in a real toad-strangler of a fuel pump. And while the reasons may vary—you want to upgrade your weak stocker, you’re planning engine upgrades, you’re going racing, you ...