How To Install 3 Way Occupancy Sensor Switch

Stop fumbling around in the dark. Instead, install a motion sensor. Lights turn on automatically as soon as you enter a room with these smart house essentials. In addition, they automatically shut off as soon as you leave, so it would be less energy loss if you forgot to turn the switch off when you left. It is also simple to install occupancy sensors. In most cases, it takes less than 15 minutes to complete the task. A few simple tools are needed, as well as access to the circuit breaker for the outlet.

The occupancy sensor switch has been in the public eye for quite some time now, In spite of the fact that motion detector switches are really useful, they are not widely used. In fact, sensor switches should make life easier for you because they will sense movement and automatically turn on or off accordingly. In this post, you will learn all about motion sensors and how to install them. Let’s get started!

What Is A Occupancy Detector Light Switch

Motion sensor lights are designed in a manner that when they detect movement, they respond by triggering an action. You can install these motion sensors anywhere in your home, the ceiling of your office, and even on your farm. These sensors are also called occupancy sensors, mainly because they turn the lights off in rooms that are unoccupied.

When motion is detected, these lights turn on the lights and then shut off by themselves. In the event that they do not detect any movement, they turn off the light. The lights are a modern way to reduce electricity bills. The sensor-based light detectors can even be adjusted according to your preferences. These sensors can also serve as alarms outside the home if they are installed outside.

Choosing The Perfect Occupancy Sensor Type For Your Room

Basically, a motion sensor light switch’s best features are dictated by its motion sensing, since that determines how well it performs overall. If a switch has an installed sensor, you should carefully examine this to determine if the switch is right for you. For larger rooms, choosing a dual sensor switch is probably the best option. In terms of casual domestic applications, even a single affordable sensor can be very useful.

Here are 3 steps to installing a motion detection light switch

1. Make safety a priority for your kids

You should consider your safety as your number one priority because if you aren’t safe, you can’t do your job properly. Thus, before you start any electrical installation involving wires and cables, be sure to have a noncontact voltage detector that will greatly assist you on your project.

2. Take down the old switch

If you possess a new motion detector switch, you should replace your old one. Shut down the power first. Keep the lights turned on and remove the fuses or breakers until the light goes out. Make sure that no one turns back on the breaker before you are done. With the cover plate removed, gently and carefully remove the switch, keep wires attached, then test the wiring again to ensure everything is working correctly and double-check.

3. Setting up the 3-way occupancy sensor switch

The important point to remember when installing occupancy sensor switches is that if something goes wrong, or is not wired properly, then there is no need to worry, as it will not cause a fire. The sensor just will not work properly. The 3-way switch with occupancy sensors requires the following materials:

  • Screwdriver or drill
  • Pliers with a needle-nose
  • Electrical pliers
  • X-acto knife
  • The voltage tester
  • Occupancy Sensor

Make sure to buy a switch that is suitable for your location. If you have only one switch to control your light, you should use a one-pole switch. When you have two separate switches controlling the light, choose the multi-location or 3-way switch.

  • The light switch needs to be turned out, as well as other switches within the same switch panel. Check all power (red and black) cables before proceeding.
  • Remove the old light switch, but leave the wires in place on the junction box. If you wish, you can mark what wire went to what screw. Especially if it is one of 2 switches controlling the same light source.
  • A tricky situation can arise here. In a 3-way switch setup, two separate switches control the lighting. The one switch is at the top of the stairs and the other one at the bottom. Maestro will detect motion when the kids or anyone are playing in the room, so it should be added to the top switch.
  • Install the Maestro where you will see your room’s activity.
  • Whenever you are wiring a circuit, begin with the ground (bare or green wire). If the power is accidentally switched back on, the switch will be grounded. Also, the sensor needs to be grounded in order to function properly.
  • Then connect a brass screw to the neutral or white wire of your house. To the black screw, attach the black wire. Lastly, attach the blue screw to the red wire.
  • In order to ensure that the Maestro keeps up, you need to rewire the other switch which manages your light fixtures.
  • The mechanical switch remains attached to the red wire.
  • Ensure that the white and black wires are removed from the switch. Twist the yellow jumper wire and the other two wires to the Lutron Maestro. A yellow wire should be connected to a black screw on the switch.
  • Screw the mechanical switch, back in the junction box
  • Connect the Lutron Maestro into the junction box.
  • Power up again and ensure that both light switches are working correctly.
  • You’re finished after attaching the faceplate.


Throughout this article, We have discussed how to install a 3-way occupancy sensor switch, What Is A Occupancy Detector Light Switch, and 3 steps to installing a motion detection light switch.

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