Based on the 2020 National Electrical Code. Article 220 of the 2020 National Electrical Code (NEC) contains the requirements for calculating demand loads for branch circuits, feeders, and services.

A multifamily dwelling is one that contains three or more dwelling units [Art. 100]. Though similar, single and multifamily dwellings have distinct differences. The wiring method used for a ...

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 ...

Bigger is not always better, especially when it comes time for you to install new central air conditioning. Choose a system that is just the right size for your home and its particular characteristics ...