Flickering lights

[User Name]

Hey guys, customer bought a new prefab house, he noticed with the can lights off, if he turns on the ceiling fan switch control, the can lights will flicker on. It does this in two seperate rooms.

Only thing I can come up with is either cheap fan speed controls, or cheap can lights, or both. I'm guessing we are getting some kind of feedback on the neutrals? I checked connections and they seem OK. Just looking for maybe some kind of explanation to give him. Im guessing it's probably not really a problem, worse case shorten the life of the lights maybe?

 

[hbiss]

The lights are on dimmers I assume. Start there.

-Hal

 

[User Name]

The lights are on dimmers I assume. Start there.

-Hal

Nope, just switches

 

[nizak]

Curious. Is the ceiling fan control ganged in the same box as the can lights?

 

[User Name]

Curious. Is the ceiling fan control ganged in the same box as the can lights?

Yes in both spots the fan control and switch are in the same box, power and neutrals are pig tailed in the box.

 

[James L]

I would think it's ElectroMagnetic Interference (EMI)h. There are priorities involved, which devices must accept EMI.

I would bet if you use incandescent or halogen bulbs, the issue goes away. Or use LED bulbs that are in the $8-12 range