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.

Not long ago a residential load calculation — also known as a heat loss calculation or a load calc — was something you had the luxury of skipping. There was a good reason for avoiding it. It was ...

HONOLULU, HI — In commercial, residential, industrial, and institutional HVAC design, it is critical for design contractors and engineers to perform a load calculation. Not only is it important for ...

Apparently, contractors who do not perform residential load calculations would prefer to be anonymous. Whether they think they really should be doing load calcs, or whether they simply don't want to ...