12v Wires Run With 120v Yes, No!? - Electrical - DIY Chatroom Home Improvement Forum

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Old 02-06-2010, 03:07 PM   #1
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12v wires run with 120v yes, no!?

Hi I thought saw, read, heard that you can't run 12v low voltage wire in same conduit along with 120V wire. If that is true is it also true for snaking wires trough walls? Are we allowed to bundle up 12v low voltage wires with 120v wires and run them together throught walls or must a distance be kept to keep them seperated? I'm adding a couple of 20A circuits to house wiring and also need to put in speaker wire, security wire, bell cord, and low voltage wires in certain areas of the house and just wondered if there was a problem with using the holes for the house wires and the low voltage? I'm thinking not acceptable but asking the experts.


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Old 02-06-2010, 03:41 PM   #2
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In Georgia, the building code does not require 120 vac to be enclosed in conduit, i.e. we can use a heavy insulated wire usually called romex. Since it is AC it could create a buzz in speaker wires, so it is best to keep a couple feet away from speaker wire. other than that alarm and bellwire can go through the same openings. Also, keep a good distant from flourescent lights with speaker wire.
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Old 02-06-2010, 05:03 PM   #3
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I believe that they are allowed together as long as the insulation is rated for the same voltage as the line voltage. They may be allowed but that is not always the best practice due to interference with electronics.
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