3 Way Switch Power Into Light. With the power off and the. Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway.
We then run the black traveller wire from the left. The green rectangles represent the switches. Fan controlled by the fan switch itself.
Screw the switches back into their boxes, put the switch plate covers on, and turn the power on to test the switches.
This is a reasonable method for cases with multiple switches in the same box.
In this article we're going to be looking at three way switches for lighting circuits in north America. If you examine a three-way switch, you will notice several differences when compared to standard single-pole At any given moment when the light fixture is on, the power may be flowing through either the black or the. Before you begin anything with a three-way, you must understand that in order for you to have a three-way circuit you must have three-way switches.