With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Or these terminals can be ignored for non backlit switch banks.

80b1 Gibson 3 Way Toggle Switch Wiring Diagram Wiring Library
2 way toggle switch wiring. Spst toggle switch wiring. This method is commonly used now days as it is efficient than the two wire control system. We will now go over the wiring diagram of a spst toggle switch. A two way switch or a single pole double throw spdt switch can be used as a selector to switch between two circuits or signal paths in devices ranging from electric guitars to car engines. How to wire a toggle switch on off switch basic. Generally used in 12volt installs for on off switches.
Wiring a 3 way light switch. The wiring diagram to the right will show how to wire and power this 12v 20amp on off on 3 way carling contura rocker switch. When wiring this switch you can choose if youd like to illuminate it because of the independent lamp attached to terminals 8 and 7. How to connect 2 way switch wiring using three wire control. A spdt is a bit more sophisticated. Terminal 2 is connected to power.
How to wire a double switch wiring a switch conduit duration. This should give you a good basic understanding how the 2 way switch circuit works and will help you in adding or changing a 2 way switch. How to wire a 2 way switch duration. It makes one of two connections. You can see that a spst toggle switch only has 2 terminals. 1 terminal is for the input.
Fix it home improvement channel 671965 views. So now that you have a basic concept of wiring a 2 way switch lets look at the following 2 way switch diagrams to see which type of circuit scenario you have. This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. Spdt toggle switch single position dual throw xx. Terminal 1 is connected to one load or accessory terminal 3 is connected to another load or accessory. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram.
The other terminal is for the output. Where 0 represents the off condition and 1 represents the on condition. Using a common terminal and a selector to reroute the signal of a circuit the two way switch can be found in almost all electrical applications. Here is a diagram of a spdt toggle switch. Nilight 3 gang aluminum rocker switch panel 5 pin onoff pre wired toggle switch panel with rocker switch holder 1224v for marine boat car atv utv2 years warranty by nilight 1979 19. Below is the wiring schematic diagram for connecting a spst toggle switch.
Applies to spot switches non led switches basic 2 wire switches 2 prong.