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. “Hot or ...

Chapter 3 of the Code is titled “Wiring Methods and Materials.” The first article in Chapter 3 is Art. 300, “Wiring Methods.” This article covers the general wiring methods for all wiring ...