WIRING OF 480 RED WHITE BLACK GREEN PLUG 4 WIRE
How to Wire an Electrical Outlet With Red, White, & Black
Sep 17, 2018How to Wire an Electrical Outlet With Red, White, & Black Wires In a three-conductor cable, the extra wire is red, and it's almost always used as a hot wire. When you see a red wire in a 120-volt duplex outlet box, it's usually because one of the outlets is operated by a wall switch, while the other is always on.Author: Chris Deziel
On Electrical Wires, What Do the Colors Red, Black, White
Red wires are also hot wires. As hot wires can be connected to each other, a black wire can be connected to a red wire. White wires are always neutral in 110-volt circuits but can be used as the second hot wire or switch leg in 240-volt applications and three-way switches, respectively.