Incorporating demand factors into service feeder calculations is a key skill any electrical professional (including apprentices) must understand – both for working on the job and passing 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 ...

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.

Will your home inspector tell you if your electric service is too small? While it goes beyond the scope of a home inspection to perform load calculations, occasionally I'll do a rough calculation if I ...