Last month's Code Calculations article covered transformer calculation definitions and some specifics of delta transformer calculations. This month we turn our attention to the differences between ...

Requirements for branch circuits, feeders, and services each have their own Articles (210, 215, and 230, respectively). The NEC also contains an Article providing requirements for outside branch ...

Let's look at key formulas that are the building blocks for the transfer of electricity: real and reactive power transfer formulas and their basics. The power triangle represents an essential building ...