Why CFL Lamps Flicker in Motion Lights
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Why do my CFL lights flicker when controlled by a motion sensor? How to Prevent Security and Motions Lights from Flickering.
© By: Dave Rongey
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Security Light
[ad#block]Electrical Question: Why do my CFL lights flicker when controlled by a motion sensor switch when it is in the auto mode?
I changed the lights back to incandescent and everything seems to work properly.
This electrical question came from: Bob in Canada.
Additional Comments: Great website
Dave’s Reply:
Thanks for your electrical question Bob.
How to Prevent Security Lights from Flickering
Problems With CFL Lamps in Motion Sensor Fixtures
- Some CFL lamps will not work with motion sensor light fixtures, and because of the high number of times the light fixture may turn on and off it will shorten the life of a fluorescent lamps anyway.
- It is best to use incandescent lamps with motion sensor light fixtures.
More about Motion Detector Light Fixtures
Wiring a Motion Detector

Installing Motion Detector and Security Light Fixtures
Installing motion detector lighting fixtures provide security and energy savings and they can easily replace an existing exterior wall fixture.
Lighting for the Home

Planning and Installing Home Lighting
Home lighting articles covering recessed lighting, under cabinet lighting, lighting terminology and more.
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A Complete Guide to Home Electrical Wiring
Be sure to get your copy of my BIG Book:
Perfect for Homeowners, Students and Electricians
Includes:
Home Electrical Wiring - Room by Room
120 Volt Circuits
240 Volt Circuits
Multi-Wired Circuits
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Electrical Codes for Home Electrical Wiring
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My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
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