Based on the 2020 National Electrical Code. Part 1 of this two-part series taught you how to calculate branch-circuit loads. Now let's review how to perform feeder and service load calculations.

Before you can size the branch circuits for a dwelling, you must calculate the loads. Article 220 allows two distinctly different calculation methods: the standard method in Part III and the optional ...

“What is the diversity ratio of the sum of the individual building peak load demands system when compared to the peak demand of the entire chilled water system plant hour by hour?” Without the answer ...