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Old 2018-07-01, 12:36 PM
homie27 homie27 is offline
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Default electrical wires interference

Hi all, are those thick white electrical wires that go into the electrical box shielded? I'm re-routing network, speaker and coaxial cables in the ceiling of my basement and I want to know how important it is to stay away from the electrical wires. my house was built about 9 years ago
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Old 2018-07-01, 12:42 PM
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No of course not.

You should never run low voltage and line voltage cabling right next to each other over a long run. Try and keep them at least 1 stud bay away.
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Old 2018-07-01, 09:06 PM
homie27 homie27 is offline
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I have a spot where they are close to each other and for a short distance they are running parallel to each other. What can I put between them?

so I assume its safe to run low voltage wires like speaker cable, network cable and coaxial cable parallel to each other right?
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Old 2018-07-02, 12:39 PM
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They can run parallel with electrical for a short distance. If it is a long distance you run the risk of induction.

As for running all low voltage together..

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Old 2018-07-02, 12:53 PM
homie27 homie27 is offline
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what is considered short distance?
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Old 2018-07-06, 02:34 PM
homie27 homie27 is offline
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What can I put between the electrical wires and low voltage wires? Would some insulation work?
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Old 2018-07-06, 10:26 PM
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Sure. But what is the run distance?
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Old 2018-07-07, 01:16 PM
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It depends. Some places it just crosses, some places it's a foot and some places it could be longer. What is the max distance that would be ok?
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Old 2018-07-08, 01:17 PM
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There is no hard fast rule for what will interfere and what will not. It may be fine, or you may have issues, depending on the exact distance away and length of run. CAT5 is twisted to reduce most interference, but won't eliminate it. Coax will have a harder time, though you can get shielded coax. I read that speaker wire for passive speakers should be mostly immune.

And of course, you need to be mindful of ESA code when running anything close to high voltage wires. Some batt insulation between wires to keep them from rubbing against one another, for example. But I'm not an expert on ESA code and that's not a complete list of items to check.

All you can do is follow best practices of not running them parallel in the same stud or joist space. Crossing over is unavoidable and generally fine. As Greg has been trying to tell you. If you get interference, then you redo or swap out for shielded wire and try again.

But all this is available on Google and I really get the impression you just want to be annoying.
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Old 2018-07-08, 01:49 PM
homie27 homie27 is offline
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the ceiling will be drywalled up soon. so I can't fix it after. if i'm annoying, just don't answer. its that easy. but i'm not trying to be annoying. I've been using this forum for about 10 years and I've come to trust some people on it.
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