For example, the nameplate rating of a 480V, 3-phase, 50-hp motor may only be 60A, taking into account the lowest running power factor and efficiency level. However, the NEC table value is 65A. The ...

Answering your NEC questions.Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the ...