I have an existing light switch and i want to add a second switch for a new light that will be operated separately. A one way light switch has two terminals which is a common marked as com or c.
2 Way Switching Diywiki
Wiring a switch uk. The common is for the live wire that supplies the input voltage to the switch. 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. A metal light switch must be earthed as seen below. Learn your existing wall switch and wiring setup. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 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.
Heres my simple video on how to change a light switch in the uk. However the actual look of the wiring in the box can vary depending on where the switches are located along the circuit run. The l2 terminal is unused. It may in some cases even return to the wall from the second switch. Wiring a one way switch. Anyway i buy a double 2 way switch to replace it picture below anyway i take off the.
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. 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. We need to replace it as its bust basically. The other terminal is marked as l1 and is the output to the light fixture. Before you purchase a smart light switch youll need to figure out the type of switch you need. 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. If the wall panel only has one switch. Its easy and quick to do and i cover the basics on swapping a simple switch like for like. The power comes into the switch which operates a single light at the end of the circuit. How is the wiring for a new light switch and fixture added to an existing switch. 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.
Wiring a 3 way light switch.