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The term 2 way in switching means you have two switches in two different locations to control one bulb. How does a 2- way lighting circuit work? It’ s important to note that the two switches must be the exact same model. Preparing and connecting wires. Ap in this tutorial, we will learn about a simple yet interesting concept called the 2 way switch. Wiring diagrams one- way switching common lamp/ s two- way switching – 2 wire control n common common 1 2 two- way switches 2 1 lamp/ s dotted lines show alternative switch positions two- way switching plus intermediate switching – 2 wire control n 2 common 2 two- way 2 switch intermediate switch common two- way 2 switch. Load note: for 3- way applications, note that one of the screw terminals from the old switch being removed will usually be a different color ( black) or labeled common. This configuration is mostly found in stairwells, so you can turn off the landing light and vice versa when you go to bed.
Tag that wire with electrical tape and identify as the common ( line or load) in both the dimmer wall box and 3- way wall box. The basic wiring diagram for a two- way switch looks like this: the two switches are connected to the same circuit. Guides & howto how a 2 way switch wiring works? If you are going to install a new one then go for three wire control methods.
The main power source is connected to one of the switches, and then the other switch is connected to the device or light that you want to control. Ac supply connecting wires 2- way switch wiring using two- wire control this is the first method to make a 2- way switching connection, this is the old method. It is also called as a staircase switch, as you can control a single load, a light bulb for example, from two different places, like either ends of a staircase.