First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says master electrician Allyson Saling with Frontdoor home services app.

Article 310 contains the general requirements for conductors, such as their insulation markings, ampacity ratings, and ...

Test your knowledge of the NEC with this challenging question. Per Sec. 344.42(A): "Where buried in masonry or concrete, they shall be the concrete tight type." These materials are provided by Mike ...