Last Updated: July 31, References. This article was co-authored by Ralph Childers. Ralph Childers is a master electrician based in the Portland, Oregon area with over 30 years of conducting and teaching electrical work. Ralph received his B. This article has been viewed , times. A 3-way switch allows you to turn a light on or off from two different switches.
It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Once again I am going through a room and replacing the switches, and once again I am stumped on how to proceed. We have a switch in the laundry room which controls a light in the garage. I assumed it was 3 way because there is another light in the garage which controls the same light. So I bought a switch with a pilot light and prepared to go to work. However, the switch seems to like many of the others in our house follow some weird wiring pattern.
Three-Way Switch Wiring | How to Wire 3-Way Switches
Wall switches used to control ceiling light fixtures or other fixtures come in three types. Most common is the single-pole switch , the type used to control a light fixture from a single location. The next most common is the three-way switch. When used in combination with another type of switch—the four-way switch—you can arrange switches to control light fixtures from three or more locations.
It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I have a 3 way switch that was wired incorrectly when the switches were replaced with a different color switch. Is there a methodical way for me to identify which wires represent which piece of the system so I can correct the bad wiring? Currently if switch 1 is on, switch 2 can turn light on or off.