All questions and answers are based on the 2011 NEC. Q. What kind of marking does the Code require to identify the high-leg of a 3-phase, 4-wire delta connected system? A. On a 4-wire, delta-connected ...
Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Load Calculations — Part 2.