2 Gang 3 Way Light Switch Wiring Diagram

To switch from two locations youll need 2 two way switches and wire them together in a particular way.

2 gang 3 way light switch wiring diagram. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. Two way switching allows you to control a light from two locations. The next length of the twinearth cable will run from the light to the first two way switch. To switch from two locations you ll need 2 two way switches and wire them together in a particular way.

The back of the old one looks very different to the new one see pics so i can t make sense of how to wire up the new one. If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire. Each of the gangs or switches above in fig 2 of which there are two work like this fig 3. A two way switch has 3 terminals.

In position 1 when the switch is down or on com and l1 are connected together just like the one way switch in position 2 when the switch is up or off com and l2 are connected together. Two way switch can be operated from any of the switch independently means whatever be the position of other switch on off you can control the light with other switch. All three way switch and 2 way switch wiring diagrams have the same basic components. There are two methods of making 2 way switching connection one is 2 wire control and another is 3 wire control.

I ve bought a new brass 3 gang 2 way light switch to replace the old 30 year old plastic one in my hallway but can t figure out how to wire it. If the upstairs switch is down the one in the 3 gang does nothing. A common c l1 and l2. Wiring a two way switch.

Each of the gangs or switches above in fig 2 of which there are three work like this fig 3. Jul 18 2020 this pin was discovered by cosmas chinoda. Now in the 3 gang the one that controls a single outdoor light doesn t and the one that controls a landing light on a 2 way with a switch upstairs isn t working as a 2 way should if the upstairs switch is up the downstairs switch in the 3 gang controls the light. In position 1 when the switch is down or on com and l1 are connected together just like the one way switch in position 2 when the switch is up or off com and l2 are connected together.

This is very useful in a number places particularly hallways and stairs.