Add Timer To Existing Light Switch

Arrange the wires so they fit in the electrical box.

Add timer to existing light switch.

Timer has four colored wires to attach to existing wiring. If you don t have someone. If you re just adding one the wires in the pigtail include the live circuit wire the wire going to the new fixture and the wire from the existing fixture. A timer switch is an inexpensive device that automatically turns your outdoor lights on or off according to your setting.

Pull the switch out of the box carefully by. In this diagram a new switch and light are added to an already existing light switch. With these switches if you ever want to turn the lights on and off outside of the scheduled times just press the entire door cover. Removing the existing switch.

I am only installing the timer on one switch. Just remove the existing switch and connect the timer to the two wires that used to be connected to the switch. This 3 wire switch loop satisfies the nec requirement of a neutral in the switch box. The two switches share a double gang box.

Installing a timer switch in outdoor lighting is the same as installing an ordinary wall switch. There is an existing light and existing switch. Push the timer switch into the box so the flanges on the switch are flush with the wall and aligned with the screw holes in the electrical box. The source for this circuit is at an already existing light fixture and a 3 wire switch loop run from there to the switch box.

The light will turn on or off without interfering with your pre programmed schedule. Unscrew the wire nut holding the two black wires together on your existing light. Turn off the circuit breaker that is delivering power to the switch you are planning on replacing with the timer. Existing light switch is connected using only black wires.

Wiring diagram for a new switch and light. Remove the top and bottom screws that secure the switch to the wall box. Strip the last one inch of your new black wire and place all three black wires together. If the box is metal be sure any exposed switch terminals are not touching the box.

Below are the materials that you need along with the instructions on how to install a timer switch in outdoor lighting. Unscrew the wire nut holding the two white wires together. I would also like to add power through down to a new receptacle that is not switched. These are super simple to install.

When you re doing daisy chain wiring on a light fixture each pigtail usually contains three wires but there could be more if you re adding more than one extra light. Twist the wire nut onto the three wires to secure them. Of course you can use a two wire timer even if you have four wires available. The last thing left to do is program your light switch timer to turn on and off whenever you want.

There is an existing fan and existing switch.