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 ...

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.

What do turf wars, battle lines, and tug of war have in common? They are all being mentioned by people involved in the creation of two rival commercial HVAC load calculation standards, one from the ...

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today's panels are bigger than earlier versions. They have to be, because ...