Add Timer To Existing Light Switch

Insert timer switch into box.

Add timer to existing light switch.

The light will turn on or off without interfering with your pre programmed schedule. There is an existing light and existing switch. Pull the switch out of the box carefully by. Below are the materials that you need along with the instructions on how to install a timer switch in outdoor lighting.

I would also like to add power through down to a new receptacle that is not switched. Unscrew the wire nut holding the two white wires together. A timer switch is an inexpensive device that automatically turns your outdoor lights on or off according to your setting. These are super simple to install.

Strip the last one inch of your new black wire and place all three black wires together. 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. Of course you can use a two wire timer even if you have four wires available. 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 two switches share a double gang box. Twist the wire nut onto the three wires to secure them. If you don t have someone. Wiring diagram for a new switch and light.

In this diagram a new switch and light are added to an already existing light switch. I am only installing the timer on one switch. There is an existing fan and existing switch. Existing light switch is connected using only black wires.

Installing a timer switch in outdoor lighting is the same as installing an ordinary wall switch. Just remove the existing switch and connect the timer to the two wires that used to be connected to the switch. White wires are just all bundled together with a wire nut existing switch is a double plate with a second double plate switch above it to other lights. 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.

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. Unscrew the wire nut holding the two black wires together on your existing light. Removing the existing switch. This 3 wire switch loop satisfies the nec requirement of a neutral in the switch box.

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. Arrange the wires so they fit in the electrical box. Turn off the circuit breaker that is delivering power to the switch you are planning on replacing with the timer. If the box is metal be sure any exposed switch terminals are not touching the box.

Timer has four colored wires to attach to existing wiring.