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[Gymrat]

I have a problem with a wired mini controller and computer interference. The controller will operate modules on that circuit but, not on other circuits. As soon as I un-plug the computer, the problem goes away and the mini contoller works and "talks" to all the other modules throughout the house. Is there a solution for this? Noise filter etc? I do have an XPCP in the main panel.

[Dan Lawrence]

Yes, an XPPF plug in noise filter.

Computer power supplies, both desktop and laptop are known noise producers. So are UPS units.

[Brian H]

Oh yes a X10 type filter. My APC BX1000 UPS has a surge suppressor in it that absorbed almost all of my signals. I had to add a filter to the UPS AC Power Input.

[roger1818]

Dan and Brian are correct.  If you want more information, check out a tutorial I wrote on Powerline Noise.

[Gymrat]

Wow! The noise filters worked. Thanks millions! Now, I get to de-bug my wireless cameras. I'll get back to you on that one

[steven r]

I have 6 or 7 UPSs currently in use. "I think I must just be d*** lucky", he says with fingers crossed & whispering so Murphy won't hear, not to need filters yet.