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Old 10-10-2010, 10:17 PM   #1
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data line runs, what rules from NEC?


so I'm running data lines (coax, cat5, audio etc) as I've mentioned in other threads and I got the NEC 2008 handbook (the more pages one) and it seems to be not specific about data lines. or at least the pages it points to talk about industrial settings, so, what are the rules on data lines and/or where can I find the pertinent ones?

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Old 10-11-2010, 06:37 AM   #2
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data line runs, what rules from NEC?


low voltage (like what you are doing) is not controled by the NEC.

When i do mine i still use the same rule of thumb for stapeling. However you can use the "low voltage" boxes (no backs on them)

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Old 10-11-2010, 09:11 AM   #3
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data line runs, what rules from NEC?


See Article 800 of the NEC.
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Old 10-11-2010, 10:01 AM   #4
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data line runs, what rules from NEC?


Quote:
Originally Posted by baum View Post
low voltage (like what you are doing) is not controled by the NEC.

When i do mine i still use the same rule of thumb for stapeling. However you can use the "low voltage" boxes (no backs on them)
You shouldn't be stapling data cable. The cable should be supported, not stapled.
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Old 10-14-2010, 11:50 AM   #5
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data line runs, what rules from NEC?


Some other handy tips when running low voltage (communication) wire.

You should not run communictaion wire through the same holes or right next to regular voltage wires(120/240).

Cross regular voltage wires at 90 degrees and i argee with liquid low volatge wire should not be stapled.
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Old 10-14-2010, 12:17 PM   #6
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data line runs, what rules from NEC?


Sorry i didnt mean with like a stapler.. i meant using a cable support of somesort (ie like the plastic hold downs that you use for romex with the nails)
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Old 10-14-2010, 12:56 PM   #7
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data line runs, what rules from NEC?


and why is stapling a problem? as long as you use the right staples and they are properly installed, I see no problem with stapling.

and do note the shoulders on those staples so they cannot be over driven onto the cable. The simple U shaped staples I would stay away from as those can easily be over driven and pinch the cable.


Last edited by nap; 10-14-2010 at 12:58 PM.
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