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#111026 - 08/17/06 11:15 PM Cables & Water in Pipe  
Admin  Offline

Joined: Oct 2000
Posts: 3,458
On an air force installation the government saves money by running the comm. cables and water in the same pipe

Arturo Perez
CMSJV, Construction Inspector
[Linked Image]

[Linked Image]

(edited to insert correct pictures)

[This message has been edited by Webmaster (edited 08-18-2006).]

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#111027 - 08/18/06 10:55 AM Re: Cables & Water in Pipe  
Admin  Offline

Joined: Oct 2000
Posts: 3,458
oops! wrong pictures originally posted.

Got it right now ...

[Linked Image]

#111028 - 08/18/06 11:19 AM Re: Cables & Water in Pipe  
Dnkldorf  Offline
Joined: Dec 2004
Posts: 1,064
nowhere usa
What water?

#111029 - 08/18/06 01:38 PM Re: Cables & Water in Pipe  
RSmike  Offline
Joined: Nov 2002
Posts: 134
Holland, MI USA
I don't see any water. Oh.... that water.

That's the new liquid cooling system for conduit. You can run wires 250% above NEC 310.16 as long as you keep the conduit full of circulated H2O; it's going in the next code revision.....

Seriously....our government....saving money. Come on really where is it?


#111030 - 08/18/06 02:54 PM Re: Cables & Water in Pipe  
wa2ise  Offline
Joined: Nov 2002
Posts: 784
Oradell NJ USA
I see what looks like coax BNC connectors in there. One thing is that coax cable quickly goes bad if water gets inside of it. Coax cable is used for high frequency signals (cable TV, high speed computer networks and such) and water severely attenuates such signals when it's inside the coax. All that coax is sure to be bad, and will need to be replaced after the source of the water is corrected.

#111031 - 08/18/06 07:13 PM Re: Cables & Water in Pipe  
napervillesoundtech  Offline
Joined: Feb 2006
Posts: 144
Naperville, IL, USA
I maintain a building where we have many direct buried runs that have been "hacked" in over the years. We have had to replace many bad RG6/8/59 cable runs due to them rotting in the ground as well as other issues. We had a maint. tech a few years back who ran wires to another building by fishing them through a storm drain [Linked Image]

#111032 - 08/18/06 11:05 PM Re: Cables & Water in Pipe  
Theelectrikid  Offline
Joined: Apr 2004
Posts: 810
Levittown, PA
My father would love that job. [Linked Image]

Ian A.

Is there anyone on board who knows how to fly a plane?

#111033 - 08/19/06 03:05 AM Re: Cables & Water in Pipe  
Trumpy  Offline

Joined: Jul 2002
Posts: 8,223
SI,New Zealand
Co-ax is terrible as far as moisture is concerned.
I once chopped out a piece from a job a few years back and all though the piece was only 6-7 ft long, I got a cup of water out of it. [Linked Image]

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