If you're planning to increase your electrical load by adding a new major appliance, make sure your panel can handle it. Here's how.

The rules for feeder and service load calculations differ from those for branch-circuit calculations. Do you know the differences? With branch circuits (Art. 220, Part II), you’re basically ...

ARLINGTON, Va. - The Air Conditioning Contractors of America (ACCA) announced new dates to the training schedule for its "Fundamentals of Residential Load Calculation and System Design" course. The ...

Part III of NEC Art. 220 provides requirements for the calculated load of specific applications (after covering general loads and general lighting). Do you know the types of loads that are covered ...