The existing 2 wire black and white romex can still be used to connect a 3 way switch 2 and the light fixture.
2 way vs 3 way switch wiring.
A three way wall switch is considered an outdated wiring system and if you are remodeling a room with a three way switch you may wish to convert it to a two way switch.
Have also knocked up a quick diagram of the.
Here 1 terminal is the input and the other two are used as outputs.
Electricians call this a three way switch and it takes a smart electrician to wire this properly.
I have two switches that control one light in my kitchen.
I am not sure if they are 3 way switches or 2 way light switches.
A three way switch has three terminals and the switch connects the first terminal to either the second or the third terminal as shown here.
How to wire a 3 way switch with multiple lights how to wire a double 2 way light switch 2 way light switch wiring two way switching explained how to wire 2.
Advertisement you use two three way switches to control the light and wire it up as shown below.
I have attached photos of the new 2 way socket and the old 3 way one.
Doing so is relatively straightforward if you understand how to follow basic electrical safety procedures.
You may not care about the details but you should care about the switches and what they control.
Two way switching 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching 3 way light switching new cable colours.
How do i diagnose and fix.
We ll break it down pretty soon.
I need a 3 way switch wiring diagram.
Here is the quick tip.
It s okay if this is too complex for you.
I find that one switch has to stay in the up position at all times just so the other switch will turn on the light.
You can identify the type of switch by looking at the marking on it.