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Running RGB with Electrical Wire (1 Viewer)

armin

Grip
Joined
Jan 29, 2002
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16
Hi,

I have run 2 runs of 75 ohm RGB inside a ceiling joist but there is also potlight wiring VERY close but not touching the RGB run. Will there be any interference or signal loss dur to the proximity of the 14-2 electrical wire ?

thanks,

armin
 

Chu Gai

Senior HTF Member
Joined
Jun 29, 2001
Messages
7,270
doubtful if it will provided your cable is adequately shielded. electromagnetic radiation is subject to the inverse square law. basically if you double the distance, the intensity of the radiation goes down by 1/4. oftentimes, interference can be corrected for by simply a slight movement of one of the sources from the other. in the realm of coax shields...braided is superior to foil...often they're combined and there are quad shielded versions of coax that provide superior rejection to noise, if noise in your environment is an issue that is. the greater the %braiding the greater the shielding effect. good luck!
 

Bob McElfresh

Senior HTF Member
Joined
May 22, 1999
Messages
5,182
You would like to avoid several feet of wires running close together. The longer parallel-path you have, the greater the chance of interference.

If there is a problem, just turn off the pot lights when you watch your system. If no electricity is flowing - no interference.
 

Bill_Weinreich

Second Unit
Joined
Sep 25, 2000
Messages
317
Braided and foil shielding of coax can really do little in the effectiveness of 60Hz interferrence. The best bet would be seperation. Keeping them >6" apart and if they must cross, do so at a 90deg angle. If it isnt too late, the next best solution for 60Hz rejection is steel conduit.

Bill
 

Phil A

Senior HTF Member
Joined
Oct 1, 2000
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Central FL
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Phil
The best thing would be to separate them. But you can also buy copper shielding tape that 3M makes in various widths that you can get from distributors like Newark or Allied that is very reasonable. So I would try for a little separation and where it was minimal, I would try some of the tape.
 

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