If Chapter 9 is the last place you think to look when designing a new electrical system, you’re really missing the mark, because the data in this section of the NEC is the key to determining proper ...

Q. What are the requirements when running conductors through one panel cabinet to feed another panel? A. Cabinets, cutout boxes, and meter socket enclosures can be used for conductors as feeding ...

We have a number of recognized transmission and distribution experts serving on our board of "Grid Masters." Several times each month we’ll post what we judge to be the toughest questions that also ...

A second experiment can be carried out to investigate experimentally how the resistance of a metallic conductor at constant temperature depends on the area of cross section. The above experiment is ...