Per Unit Example – How To, Tips, Tricks, and What to Watch Out for on the Electrical Pe Exam October 9, 2017 By Zach Stone, P.E. 135 Comments There is a lot of confusion surrounding the per unit system, and rightfully so. If you've never used it before, it is easy to become confused with all of the individual pieces that make the …Continue Reading about Per Unit Example – How To, Tips, Tricks, and What to Watch Out for on the Electrical Pe Exam →