Wiring a 3 way light switch. Anyway i buy a double 2 way switch to replace it picture below anyway i take off the.

Electrical House Wiring 3 Gang Switch Wiring Diagram
Wiring a switch uk. A metal light switch must be earthed as seen below. The common is for the live wire that supplies the input voltage to the switch. A one way light switch has two terminals which is a common marked as com or c. Learn your existing wall switch and wiring setup. However the actual look of the wiring in the box can vary depending on where the switches are located along the circuit run. I have an existing light switch and i want to add a second switch for a new light that will be operated separately.
The essence of the wiring configuration is for one hot feed wire entering the switch box to be split so that it feeds both switches which in turn feed hot wires in cables that lead out to two separate light fixtures. We need to replace it as its bust basically. The l2 terminal is unused. The power comes into the switch which operates a single light at the end of the circuit. If the wall panel only has one switch. 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.
How is the wiring for a new light switch and fixture added to an existing switch. Dont let this discourage you simply attach the hot wire on the new fixture exactly how you found it on the old wire. If youre changing a light. A hot wire red or black comes out of the wall and into one switch then out of that switch and into the other one. We have a double switch for our bathroom that controls the extractor fan left switch of 2 and the bathroom lights right switch of 2. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.
It may in some cases even return to the wall from the second switch. Wiring a one way switch. Before you purchase a smart light switch youll need to figure out the type of switch you need. A two way light switch can also be used in in place of a one way light switch in this instance the red wire from the feed cable is connected to the common c terminal and the red wire going to the light is connected to the l1 terminal. Its easy and quick to do and i cover the basics on swapping a simple switch like for like. Heres my simple video on how to change a light switch in the uk.
The other terminal is marked as l1 and is the output to the light fixture.