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All questions and answers are based on the 2014 NEC. Q. What is the NEC requirement for GFCI protection of swimming pool pump motors? A. For this question, it’s important to understand the NEC ...

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, ...

Nidec Motor Corp. swimming pool motors have been recalled for posing an electrical shock hazard, according to the U.S Consumer Product Safety Commission. The recall includes over 16,000 motor units ...

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 ...