Last month in Code Basics, “Commercial Loads — Part 1,” on page 24 of the January issue, we discussed when it’s okay to apply demand factors when calculating ...

To avoid confusion, follow the NEC sequence when performing your circuit calculations. You'll see this sequence in each of the Annex D examples. You'll also see it in the structure of the Chapter 2 ...

QUEBEC CITY - The great divide between HVAC contractors and engineers is probably at its widest point where residential load calculations are concerned. Contractors don't see a practical way to do ...

This is part 1 in an ongoing series on HVAC load calculations. The folks at SNIPS have asked me to do a basic how-to article about HVAC Manual J load calculation as that is allegedly a big part of my ...