Members of the National Fire Protection Association (NFPA) recently concluded discussions on updating Article 220.12 of the NEC (National Electrical Code) to align with a series of energy codes, as ...

In Part 1, we looked at specific types of commercial loads. Let’s use some examples to show yet another difference in demand factors. If you were to watch daily operations at a marina [555.12], you’d ...

There is no question that the National Electrical Code (NEC) is far and away the No. 1 most important topic to EC&M readers. And every three years — when a new Code cycle comes along — we team up with ...