How to Wire Light Switches & Occupancy Sensors?

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How to wire a light switch

First and foremost in wiring light switches, you need to be sure that wires are not connected with the power and to the lights yet. And, then you see that there are two black wires, two white wires and two ground wires (which are bare wires). read this post for more updates.

The second step is to connect the ground wires to the box (it maybe a steel box). Presuming the light switch has a ground screw, which is basically green in color and is found at the base of the switch, then, you can attach it now.

The third step is to twirl the two white wires spontaneously together and screw it on a wire knot. You can also bind them together with a black electrical tape around the knot to make sure it will not come off loose.

As we go over the basics of wiring switches, these black wires are “hot” because they are the ones holding the power. Connect one source wire to the base of the terminal of the switch and the other black wire to the top part of the terminal switch.

You can later see the gauge on the back of the switch. It indicates when to deploy the “quick-connect” procedure in wiring light switches. In doing so, just take the piece of wire according to the dimension recommended and shove it into the opening. And, you’re done. It is just as easy as pie.

Lastly, shove the white wires inside the box and screw the terminal switch back into place. Put the power back on and run your switch whether it is working or not. If you see the light, then you are doing the right way. If it will not light, then you must have missed a thing or two, and you need to make it sure you are doing the correct procedure.

How to Install Occupancy Sensors

In installing occupancy sensors is just as easy and simple. You can do it yourself in only a matter of fifteen minutes. First, you need to collect the tools you need, such as: mounting hardware and wire connectors that came with the package of your occupancy sensors, screw driver, a flat-head screw driver to take off the existing switch, electrical tape, and wire cutters.

The next step is to recognize which of the light switch you are going to replace with the occupancy sensor. And, then you will turn the power of the switch off at the circuit breaker. Make a run of the switch to make sure the power has been cut off before going through the procedure. You should cautiously encase the front and back portions of the center wall plate separately.

A brilliant trick that might be beneficial is to hook up the back portion which is known as wall plated adapter to your sensors before setting it up. This will guarantee a complex-free set up. Now, you can unscrew and remove the switch attached from the wall and focus on the wires on the wall box that are attached to the switch. If the switch is a single-pole switch it indicates it is the only source of control for that light. That single-pole switch will have one bare copper wire which is the ground wire and two-insulated wires attached to it.

If the switch is a three-way switch that indicates that you can control that light from more than one location, it possessed one-bare copper wire and three-insulated wires attached to it. If you are setting up a three-way switch, utilize a portion of the electrical tape to connect the wire that is attached to the screw terminal which color is distinct from the rest. This is usually a black screw. This terminal might be recognized as “common” on the switch. At this time, you can now disconnect all the wires from the switch.

The next step is to set up the occupancy sensors to the wall on the wall box wires. If you are setting up a single-pole sensor you will see two black, a bare wire and a green insulated wire. Go to for more details.

Deploy a wire attachment to join both of the wires to the bare copper wire on your wall box. Please keep in mind that if you are setting up a single-pole application you will notice that the three-way occupancy sensors have a blue wire. You do not actually need this wire, so you just have to cut it off with the wire attachment. When you have to attach all the wires, just make it sure you leave any bare wire opened and exposed.

If you are deploying a three-way sensor attach the blue wire from the sensor to one of the insulated wires which do not possess a tape tag on it. Attach one of the black sensor wires to the tag wires in the wall box. Then, attach the other black wire to the insulated wire that was left in the wall box.

Shove the wires to the wall box and place the occupancy sensor to the wall box utilizing the screws that came with the package. Fasten the screws until the screws are in place against the wall.

In a three-way set up, you make sure to refurbish the wiring of the present companions which the last pieces were in place. Connect the wire attached to the screw terminal whose color is distinct from the rest. And, then disconnect the traveler wire from its screw which was found in the other side of the switch of the connected wire.

installing swith

And, then detached the connected wire and secure to detach the traveler wire. And, the black or yellow jumper wire vested with wire connector. Attach the jumper wire to the screw of the connected wire which was originally attached to. Shove the wires back into the wall box and place the switch to the wall box utilizing the present screw. Now, you can put the electric power back on at the circuit breaker. Bingo ! You got a new occupancy sensors installed.

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One thought on “How to Wire Light Switches & Occupancy Sensors?
  1. Pingback: How to Wire Light Switches | Electrical Home Improvements

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