A. Except as permitted by Sec. 240.21(A) through (H), overcurrent devices must be placed at the point where the branch-circuit or feeder conductors receive their power. Taps and transformer secondary ...
Art. 450 begins with the short and to-the-point statement, “This article covers the installation of all transformers,” and then lists eight exceptions. In essence, Art. 450 covers power transformers, ...