All the issues raised there apply here too, especially if used in stairways and the switches are on different floors. Understanding Single Pole and -Way Switches - Duration: 4:14. I have tried to change my lightswitch at the top of my stairs and completely mucked up. A two gang switch at the bottom of the stairs which switches . This is very similar to the two way switching circuit but with and additional intermediate switch introduced into the three wire control cable that links the two end light .
You may see the following: double gang two way light switch terminal variation 1.
This is where you can control the same light via two switches.
Connect the cables as shown in the wiring diagram. Wire each circuit to individual switches. The most basic circuit , with only two wires at the switch. This arrangement would typically be used in conduit, and uses two wires between each switch. It is effectively three single gang intermediate switches on one face plate.
Triple gang intermediate light switch. Two way light switch mechanism. In one position, Land Lare connected in pairs. In the other position, alternate pairs are connected.
The common is for the live wire that supplies the input voltage to the switch. Highlighting the safety issue around this method as well as other downsides like. The intermediate light switch is used where three or more switches control one light and used in conjunction with two two way light switches to achieve this. When the switch is on, both terminals are connected together. Typically, these terminals will be marked COM.
Dotted lines show alternative switch positions. Two - way switching plus intermediate switching. Remove the fixing screws (2) from the bag supplied.
Undo the terminal screws until they no longer obstruct the cable entry holes.
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