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#93131 - 05/04/05 05:00 AM Cable TV wire
George Little Offline
Member
Registered: 01/18/04
Posts: 1488
Loc: Michigan USA
How deep should cable TV wiring be buried? Where would I find the code reference?
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George Little
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#93132 - 05/04/05 04:07 PM Re: Cable TV wire
sawdust454 Offline
Member
Registered: 03/20/05
Posts: 20
Loc: Waynesboro, Va USA
George:
Article 820 covers coax installation but has nothing about min burial depths. I am tempted to say table 300.5 column 1 (2005 nec). This is a good question ,around here the burial depths average 2- 4" for the local cable co.
Ron
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#93133 - 05/04/05 04:39 PM Re: Cable TV wire
hbiss Offline
Member
Registered: 12/16/03
Posts: 886
Loc: Hawthorne, NY USA
Didn't we just answer this question a little while back? The NEC doesn't cover this, I normally use UF depths while the cable guys will just make a slit with a lawn edger and stomp the cable into it. Of course they couldn't care less when it fails.

Make sure you use flooded cable for direct burial or pulled through pipe underground, not regular cable.

-Hal
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#93134 - 05/04/05 07:16 PM Re: Cable TV wire
George Little Offline
Member
Registered: 01/18/04
Posts: 1488
Loc: Michigan USA
Hal- It might have been on this forum before, if it was I missed it. And, since you have a handle on telecom stuff (per your bio) what is "flooded cable"?
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#93135 - 05/06/05 06:53 PM Re: Cable TV wire
Electric Ian Offline
Member
Registered: 02/10/04
Posts: 133
Loc: MA, USA
George,
"Flooded" is the trade name for coax cable which is rated for direct burial. It has a grease of sorts under the jacket to prevent moisture from migrating.
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#93136 - 05/07/05 10:49 AM Re: Cable TV wire
iwire Offline
Moderator
Registered: 01/05/03
Posts: 4391
Loc: North Attleboro, MA USA
Hal

Quote:
Make sure you use flooded cable for direct burial or pulled through pipe underground, not regular cable.


Hal I always use cat 5e for this 'cause it's better'

Should I use flooded 5e?

Bob
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Bob Badger
Construction & Maintenance Electrician
Massachusetts
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#93137 - 05/07/05 05:25 PM Re: Cable TV wire
hbiss Offline
Member
Registered: 12/16/03
Posts: 886
Loc: Hawthorne, NY USA
Grrrrrrr!

-Hal
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#93138 - 05/07/05 06:28 PM Re: Cable TV wire
Electric Ian Offline
Member
Registered: 02/10/04
Posts: 133
Loc: MA, USA
Inside joke here I'm misssing. Clue me in please!
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#93139 - 05/07/05 06:34 PM Re: Cable TV wire
iwire Offline
Moderator
Registered: 01/05/03
Posts: 4391
Loc: North Attleboro, MA USA
Your right it is an inside joke.

Hal has a real problem with folks using Cat 5 for every low voltage application under the sun.

I tend to agree with him, it is more professional to use the right cable for the specific job.

That said I will admit I have used it in a pinch for other low voltage applications if it meant getting the job done and was still code compliant.
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Bob Badger
Construction & Maintenance Electrician
Massachusetts
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#93140 - 05/08/05 06:52 AM Re: Cable TV wire
Trumpy Offline


Member
Registered: 07/05/02
Posts: 8211
Loc: SI,New Zealand
LOL Bob,
Hell I don't get here that often and even I know what the teeth-gnashing is about!.
Dig-Dig-Dig

[This message has been edited by Trumpy (edited 05-08-2005).]
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