Article 220 - Load Calculations

Course overview

Article 220 is the go-to article for calculation of branch circuit, feeders and service loads. Articles 210, 215 and 230 lay out rules for sizing these conductors, based on the calculations described in article 220. As such, one must understand 220 in order to fully comply with other provisions of the code. This course teaches the different types of calculations for single-family and two-family dwelling units, breaks them down by type, and describes relevant concepts.