Questions tagged [motion-sensor]

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1answer
64 views

Repurposing outdoor LED security floodlights for an indoor sconce

I am trying to create a very bright wall sconce using two LED security floodlights. I have disassembled the floodlights so I could remove them from the very bulky, heavy duty outdoor metal packaging. ...
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1answer
31 views

Motion detector switch affected by heater?

We have a 35X50 shop that was recently built and it is lit with LED lights in the ceiling controlled by a motion sensor switch on the wall by one of the man doors. The switch is not close to the ...
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2answers
54 views

Fix blinking LEDs with a motion sensor (when off)

I have bought a new motion sensor for my corridor LEDs. The lights turn on fine with it, however, when the sensor is set to OFF, the lights blink indefinitely (a few times per second) and never ...
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1answer
34 views

What sensor switches are rated for freezing temperatures?

I'm looking for a motion sensor (occupancy) switch that fits in a standard single gang electrical box that can withstand temperatures below freezing. The switch is to go in my garage. I live in ...
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2answers
795 views

Retrofit motion sensor to multiple switch, multiple fixture floodlights

I want to retrofit motion sensing onto my floodlights. I want to be able to easily override the motion sensing lights-on function to turn on the lights whenever I want. I have three double-bulb ...
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1answer
464 views

Installing a new motion detector switch

I need to install a new motion detector light switch. My old motion detector switch only had 3 wires (hot, neutral and ground). I only have 2 wires in the wall a hot and a neutral wire. The wall is ...
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1answer
445 views

Timer device and Motion Sensor on same box?

New outdoor GFCI box installed from existing indoor receptacle, plus new LED motion sensor installed from GFCI box, plus plug-in timer device for patio lights. Will motion sensor timer and plug-in ...
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2answers
66 views

Help debugging this circuit, voltage across lights drops to half unexpectedly. Diagram in post

I fitted a PIR sensor at my parents' to turn the bathroom light on and off automatically last week but the lights are very dim. On inspection, there is only half of the potential difference across the ...
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4answers
9k views

How do I replace or repair a motion sensor PIR lens?

The PIR lens/translucent cover for my motion sensor for my outdoor light kit broke. Crumbled to the touch after about a year outside despite being made for outdoors. The sensor is now way too ...
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1answer
50 views

Reusing ADT motion sensors

I bought a 4 level house that had an ADT security system with a motion sensor in every room. I never used it since moving in. But I have a fun project in mind: I'd like to drive my kids nuts when ...
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1answer
239 views

What did I do wrong with this Legrand RRW600U wiring?

I just moved into a new house, and I'm trying to wire up TWO Legrand RRW600U 3-way occupancy switches to a light in the basement. I want motion at the top or bottom of the stairs to turn on the light....
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1answer
93 views

Puzzled why motion sensor set off home alarm while away!

While I was out of town, my neighbor had called and left me a message that my home alarm was running for about 15 minutes on Christmas Eve. Upon arriving home the next day, I found the house secure ...
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2answers
133 views

Clarify light sensor wiring diagram

I have 4x 55W florescent tubes in my garage, two per fitting. Its dark in there, the garage door opener has a uselessly tiny light. So the plan is to fit an omnidirectional ceiling motion sensor. ...
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1answer
98 views

What is the typical vertical angle field of view for a PIR motion sensing light switch?

PIR (passive infrared) motion sensing light switches advertise the arc for which they detect motion, but that is only the horizontal arc. I can't find information on the vertical angle for their field ...
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2answers
58 views

Help wiring occupancy sensor

I had a Lutron Maestro MS-OPS2 occupancy sensor wired in a small handy box and it worked fine. Here is a photo of how it was wired then: Since the box was too small and I wanted to put a finished ...
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2answers
186 views

lutron sensor switch - wiring help

I have the Lutron Maestro 2 Sensor Switch. As seen in the picture, it has a ground and 2 black wires. My junction box has black and white, and is a metal junction fully grounded. Im not sure what I ...
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1answer
21k views

How can I replace a 3-way light switch with a motion sensor?

I'm trying to replace one of the three-way light switches in my garage with a motion sensor. But I'm confused by the wires on the existing switch. I thought the hot wire goes to the black screw ...
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1answer
1k views

Multiple motion sensor lights on one switch

I have a switch inside my house which feeds power to two fixtures on opposite corners outside. I installed LED motion sensor fixtures which have their own sensors and lights but they have never worked ...
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1answer
16 views

Single Pole Motion Sensing Light Switch

Attempting to install GE single pole motion light switch. The existing switch controls two lights in a small hallway. Can the single pole motion switch be wired for 2 lights?
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1answer
56 views

Is there a specific type of motion detector for use in long hallways?

I would like to select a single motion detector to drive lighting in a 70 foot hallway (straight corridor approximately 6 ft wide). A 70 by 6 foot rectangle is to be covered. If it is necessary to ...
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4answers
4k views

Can I use low voltage lights with a motion sensor?

I have installed and wired low voltage exterior lights. They required a transformer to bring the AC to 24 volts. I want them controlled by a motion sensor so before the transformer I installed a ...
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1answer
25 views

can an interior motion sensor be installed to an existing flourescent light fixture?

our pantry has a rocker switch to turn on/off the flourescent light, but my husband forgets to turn it off manually. I'd like to know if we can install a motion sensor in place of the rocker switch ...
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2answers
2k views

How to wire switch for outside motion sensing light

I have an outside motion sensing light which uses a nitewatch MW-12 motion detector. There is an existing Intermatic Inc. SS7 switch on the inside of the house which is very convoluted to program (...
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1answer
682 views

Troubleshoot motion detector that turns on for only a few seconds at a time

We have a light connected to a motion detector in our backyard. It detects motion and turns on the light for 2-3 seconds, then the light turns off again, and won't detect further motion. A single ...
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1answer
639 views

Red wire in light fixture, no red wire in junction box

I just bought a pair of motion activated lights for the side of my garage. Standard connection turns on the light that triggered with motion. In order to have one light triggered, both lights turn on,...
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3answers
1k views

Motion sensor with bypass switch?

I wish to have a motion sensor on the lights in my garage, but I also want to have an override switch that works normally, and does not require a specific pattern to toggle the override in the sensor. ...
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2answers
1k views

How does a 3-way motion sensor switch interact with the mechanical switch on the circuit?

I want to install a 3-way circuit covering a hallway and stairwell. The top of the stairs and hallway would be covered by the motion sensor and the bottom by the mechanical switch. What happens if I ...
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1answer
218 views

LEDs won't turn on

I have a garage door opener which can have two lightbulbs screwed, that for some reason burn out LED lightbulbs approximately every 3 months. However, this time, the new LED bulbs I bought work ...
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2answers
54 views

Motion sensor to flash a 12v light [closed]

I'm looking for a way to put a motion sensor at the end of the driveway and wire it about 150' up the driveway to a 12v light. The operation I'm looking for, is when the sensor sees a car I want the ...
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1answer
68 views

Trying to convert battery powered sensors to hard-wired sensors. Code / safety concerns?

I have a number of battery powered, low-power consumption zwave sensors installed around the house, such as contact, PIR or temperature sensors. These are most running on 3v (CR123 or 2 AAA) batteries ...
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1answer
189 views

PIR motion sensor interference by nearby CFL

I have a Passive Infrared Motion Detector (this one) in my walk-in closet that turns on the light when someone walks in. This setup has been working fine for many years. Outside of the closet is ...
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4answers
4k views

How to shape the zone a radar motion sensor detects?

The light in my bathroom is controlled by a radar motion sensor. The idea was that radar based sensors can be hidden inside the lamp itself and thus be invisible (so no sensor, no switch, only the ...
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1answer
71 views

How should dual motion sensors be connected? [duplicate]

One supply parallel to connecting two motion sensors. In between lights connected. Lights common for two sensor. In same time two sensors activated in the sense any problem happens sensor and ...
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3answers
15k views

How can I replace multiple 3 way switches with motion sensors?

My tenants never turn the lights off in the stairwells of my 3 family house, so I'd like to replace all of the light switches with motion sensors. Here is a crude diagram of how this is set up now. ...
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2answers
96 views

Can I control a 20 amp outlet with a motion sensor?

I have a bathroom in my shop building that I use infrequently. I do not want to maintain hot water 24/7 there. I want to use a Bosch 2.5 gallon instant hot water device connected to a cold water line....
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2answers
2k views

How would I wire a motion sensor to a fluorescent light?

How would I wire this motion sensor to the fluorescent light? I’ve heard that not all motion sensors are created equal and it may shorten the lifespan of the bulbs or possibly the transformer but if ...
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7answers
12k views

Can multiple 2-way occupancy motion sensor switches be used together?

Can multiple 2-way occupancy (AKA motion) sensor switches be used together? For the top and bottom of a staircase, I want the lights to be on if either switch senses motion and the lights stay on ...
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1answer
46 views

Simple remote outdoor light switch that fits in a receptical box

Upfront warning - I am pretty sure I am lacking the nomenclature to ask this succinctly. I am installing an outdoor lamp with a store bought motion detector on a post about 30ft from the house. In ...
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0answers
527 views

I purchased a Lutron occupancy sensor MS-OPS5MH-WH. I have no ground available.

I purchased a Lutron MS-OPS5MH-Wh. It has 2 black wires one green one blue and one bare. I hooked up the two black wires but do not have a ground (green and bare).. When hooked up the light is on ...
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1answer
232 views

How do I remove/uninstall this security motion sensor?

I have a security motion sensor that controls a pair of security lights. Unfortunately, the sensor has failed and I want to replace it. For some reason, there doesn't appear to be a way to remove/...
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1answer
94 views

Best way to install light switch inside the bathroom which is currently outside

I have a light switch installed outside the bathroom which I would like to install inside the bathroom so I can install a motion sensor light switch. What is the best way to do this? Should I ...
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0answers
277 views

Help wiring a ceiling fan switch with oscillating and fan switch

Here is what I have going on. I currently have a motion sensing switch wired in the garage to a single light. From that light two outlets have been added to plug in two additional overhead shop lights....
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4answers
36k views

Motion sensor activates for no apparent reason

I've been looking at some of the other questions about sensors, but I can't find a solution to my problem. I have a movement sensor (PIR i presume) that turns on a light when movement is detected. ...
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3answers
4k views

Why aren't my PIR security lights working through my window?

Can any one help? I purchased a solar powered PIR security light, with the intention of putting it inside my kitchen window. The PIR would be inside the window, but this does not work. When I go ...
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1answer
152 views

“Power off” motion detector [closed]

Is there an exterior motion detector that turns power off instead of on when someone enters a space? All internet inquiries have only found power on detectors. I've also found "light curtains" but ...
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1answer
3k views

Can a home motion detector work through frosted or clear glass? [duplicate]

I'm thinking of installing a motion detector inside an existing recessed fixture over my front door in order to illuminate the stairs and door lock at night. Home Depot sells a small sensor that can ...
0
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1answer
809 views

Replacing 3-way switch in 4-way circuit with an occupancy switch - not working correctly [duplicate]

I'm trying to replace one of the 3-way switches in a 4-way switch circuit with a 3-way occupancy sensor. Here's my current wiring for the occupancy sensor: And here's the current wiring for the ...
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1answer
351 views

Activating a door bell inside apartment after motion sensor outside detects movement

Does anyone know what is the best way to connect a doorbell switch to a 3-way motion sensor switch that currently turns on lights in an entryway?
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0answers
207 views

motion detector clcks but no light

I'm trying to install a motion detector in a circuit with 4 halogen spot bulbs and no other switches. There used to be a regular switch before, so I know the spot bulbs work. When I pass in front of ...
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2answers
4k views

How can I improve the sensitivity of a motion detector light?

I bought a motion detector light a few weeks ago. It worked great out of the box, but now its sensitivity has lowered a lot. You need to be really close to it for it to detect motion. I tried ...