Black Wires 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 ...

Splice the two neutrals together. Do not attach to the switch. Secure the black wire from the 14-2 cable going to the light to the black (common) screw. Secure the black and red traveler wires ...