All questions and answers are based on the 2014 NEC. Q. Please explain the 10-ft tap rules? A. Except as permitted by Sec. 240.21(A) through (H), overcurrent devices must be placed at the point where ...
In the 2017 National Electrical Code (NEC), there are plenty of tap rules in Sec. 240.21 and Sec. 240.92 for circuits not more than 1,000V. The same is true for transformer secondary conductor rules.