Note: All Code references are based on the 2014 NEC. The NEC has separate sections for transformer feeder protection and transformer protection. Article 240 lists requirements for transformer feeder ...

One of the most dangerous locations in a power distribution system with regard to incident energy is that first panelboard on the secondary of a transformer. With some thought in your design — even if ...

It’s easy to trivialize the need for a fuse and how to select one. We have all been annoyed or exasperated by a blown fuse. Sometimes we wish there was no such component needed for our circuits. With ...