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 ...

Fig. 1: Take note of the wiring colors inside your electric panels. Charles S. “Buc” Fitch, P.E., was reminded of the issue of electrical wiring color code a few days ago. He opened a panel and found ...