Here's how to calculate your electric load, so you'll know if it's feasible to add a heat pump or a car charger to your system. Put simply, "electrical load" is the amount of power all the ...

Note: This article is based on the 2002 NEC. Even if you work with stamped drawings, you'll eventually need to do commercial load calculations in the field or on a licensing exam. The National ...

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.