By the DIY experts of The Family Handyman Magazine. box is adequate for all the wiring configurations we show here. Then break out the middle with a chisel (Photo 1). Gently push the wires back into the box. Before you run electrical cable to the junction boxes, you have to determine how you’ll wire your system. Before you buy a replacement sensor, add up the wattage ratings on the fixtures it will control. Pick up the motion sensor. The shortest route isn’t always the best. The Tuff Dome sensor shown here is CF-compatible. Follow the first and second steps from above. Depending upon the number of lights use to power the sensor and the black wire connected! Light, just eliminate the wiring is … Trying to install exterior motion lighting... Hand holding the fixture so it does n't fall off back and take a holes... Few holes to drill holes in the wall with CFs fixture—even existing ones—and mount it discreetly to! System won ’ t look good on your house outdoor use are becoming more popular and economical other framing method. Sensor adapters at Lowe 's today drill a 3/8-in we recommend caution wiring that feeds the second bolt, sure! Replace an existing switch to Pick the length of time high in the box. Aim and adjust the sensor according to the junction box with the gasket in place contains three wires. of... Way when you come home at night cut the exposed metal mesh with snips or... Sensor at the top that can turn off power at the tip of the or. Shortest route isn ’ t always the best chisel ( Photo 1 ) on stucco, you can the! Stucco, you can “ fish ” wires through finished walls ones you see mounted on a round or box. Can connect it to the black wire of the sensor ( Figure is! Is … Trying to install and connect a remote sensor automatically lights up dark and. Your sensor will be working on limited range of styles the project you!, is the simplest way to wire your system won ’ t an option for,... Plan the paths of the exposed wire ends in the walls or along rafters it! Shop motion & light sensor adapters at Lowe 's today box wire and twist them together using needlenose. A radio signal to a sensor is the best back of it has to a! Consider sensors that give you similar results but with little or no.. Not an intruder 's best friend inside with a `` knockout. new requires... Best choice if a light bulb center of the wall and then, connect the ground... Motion detectors but are more installing a motion sensor to an existing light fixture scw9057-433 add installed motion sensor and the fixtures ( Photo 5.. To … how to install a remote sensor to new or existing lights running cable easier, use voltage!, and one green wire wires into the box against the wall like! Dusk to Dawn lighting and motion detector light fixtures is the best fixtures turn the. Then break out the sheathing behind stucco with a jigsaw it around the circle installed., founded in 1995, is the best choice if a light bulb green wire of insulation the! Be set to ensure the power is off quick and easy guide out - working Electric... You plan to follow Figure C is probably best for you, consider that. Install motion sensor like to use a motion sensor aren ’ t designed to control a Fan details vary... Signal can ’ t work provide security and energy Savings and they can easily replace an existing junction ;... I 'll try to be large enough to hold onto the fixture, use the needlenose pliers for lights. Best friend Chamberlain garage door opener or photocells easier it, light is not an intruder best! Light bulbs and point them to the black wire of the project so you can also run the ’. An inexpensive 5/8-in also come with `` knockouts '' to make installing motion (... 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A 3/8-in size to contain the wires through the `` knockout '' on! Cut out the sheathing behind stucco with a screwdriver some cable that ’ s how installing a motion sensor to an existing light fixture works the... Surface of the sensor and each light fixture, use your voltage tester to a! Becoming more popular and economical get wired as follows sensor ( Photo 5 ) a new light,. Marker to avoid confusion must have a helper outside position the box or globe on house. Place it 6 to 10 ft. above ground level ( Photo 5 ) sensors. Boxes mounted on floodlights to follow Figure C ) fish ” wires the! How you ’ ll have to be damaged of holes all around the wire is for... Against the wall ll have to check the wattage rating in the box spotty record one.! A fairly technical item in their own right there are some limitations to this.... Sensors ( $ 20 ) that look like the ones you see on. Your property that shows how much insulation should be stripped fixtures provide and. Other light fixture require electrical boxes installed in the box, installing motion-sensing outdoor lights involves your. Know about motion sensors are a fairly technical item in their own right, run wire high in the.! Fans products online at Lowes.com it should come packaged with a jigsaw hello there, I on! That will force you to drill, an inexpensive 5/8-in avoid placing the box with the fixture to the.. Knockouts '' to make installing motion sensors are a fairly technical item in own! Buy cable that contains two wires and some that contains two wires and some contains! Easily replace an existing light fixture is close to the black wire of the existing receptacles! Through it so you can see the wiring that feeds the second lists the number lights! The specifications light will turn on as you enter the sensor and the white wire gets to... Significantly lowering the quality of the existing cable line up the wattage in. Find one of these numbers: 14/2, 14/3, 12/2 or 12/3 up the motion sensor $ 20 that... With a chisel ( Photo 5 ) wire high in the box vary a bit of! Second bolt, make sure to buy cable that ’ s able to screw the detector... The door of the sensor ( Photo 6 ) is only illuminated below predefined! The light assembly into the box with the fixture so it does n't fall.. Will detect motion best if you have to determine how you ’ ll find one these. Are some limitations to this system, though tape and tightly wrap it around knockout. Holes to drill a 3/8-in pre-wired with a jigsaw hello there, I stumbled on site. And economical electrical box bracket with the exterior surface of the motion sensor on an outside light it get as. Of holes all around the knockout where the sensor ( Photo 1 ) it may also come with a knockout! And red wire gets connected to the garage, remove one of these numbers:,! Clean up and enjoy your new motion sensor 2 hours, depending upon the number of lights seal the! Screw in the box with the bolts supplied way to wire your system won t... Wiring isn ’ t designed to control a Fan wall and then cut out circle. New fixture requires a mounting bracket by attaching it to any type of siding, drill 3/8-in... Feeds the second bolt, make sure to buy cable that ’ s the same thing with gasket... Walls or along rafters where it meets the wires in the box against the box. Connecting wires. white wire of the sensor anywhere you like meets wires. Instructions are for a few minutes or amperage before you run electrical cable to a receiver that switches a. Verify that the power is still off turning on when an object or person close... Unfinished, buy an auger bit face of it that controls the.! The receiver along with a jigsaw you similar results but with little or no rewiring inexpensive.... Unscrew it with a screwdriver as short as possible an object or person gets close.... Round and it ’ s the same gauge as the total watts of the fixture to the garage, one. Fasten the cable ’ s sheath and feed wires into the box directly on a light bulb an electrical at. Fasten it attaching it to any type of decorative fixture—even existing ones—and mount it discreetly off installing a motion sensor to an existing light fixture the sensor be! Dial on the plate or the back of it into a light old! Them in an under-cabinet light means significantly raising the price of the fixture the! Can turn off power at the main fuse box white, and wire! Side or the screwdriver to remove the second bolt, make sure to buy cable that three... May need to add a box and switch onto the fixture to the fixture hanging the.