Sensational Dead End Three Way Switch

If one switch is up and one is down the current reaches a dead end no current flows and the bulb is off top left and bottom left.

Dead end three way switch. The switch at the middle landing is a 3 way dead end switch. The switch at the bottom of the stairs is a 4 way switch. Description power and switch leg at one 3 way and the dead end of a 3 wire at the other 3 way.

Note that the above color scheme does not reflect wire color. When wiring a dead ends you have a choice of which wire to extend over to the common on the dead end 3way switch. This method is commonly used by professional electricians.

Description power and switch leg at one 3 way and the dead end of a 3 wire at the other 3 way. This method is commonly used by professional electricians. There are 2 variations of dead end 3ways.

Extending the switch leg over to the common as shown in the photo above or extending the hot over to the common as described below. A dead end 3 way switch wiring method. When both switches are up the circuit is complete top right.

Hotin top 3 way bottom 4 way middle 3 way bottom 4 way top 3 way hotout. Either extend the black switch leg from the light or extend the black hot l1. You can copy this photo and any part of this site for classroom or individual use.

In this video i explain how to install a three switch from your existing one way one switch. A three way wall switch is a common type of light switch that makes it possible to control a ceiling light or other electrical fixture from two different locations in a room. In a hallway or large room for example installing three way switches at both ends lets you turn the light fixture on or off from both locations.