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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Conduit\s+for\s+cables\s+to\s+the\s+tower\?\s*$/: 25 ]

Total 25 documents matching your query.

1. [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: Alan NV8A <nv8a@att.net>
Date: Wed, 13 Sep 2006 21:35:52 -0400
I have questions about the best way to get cables (coax, AC, and control) from the shack to the tower. Here are the things I have read or observed and am trying to take into account. Please correct m
/archives//html/Towertalk/2006-09/msg00488.html (7,420 bytes)

2. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Mike, K6BR" <noddy1211@sbcglobal.net>
Date: Wed, 13 Sep 2006 19:31:50 -0700
I have questions about the best way to get cables (coax, AC, and control) from the shack to the tower. Here are the things I have read or observed and am trying to take into account. Please correct m
/archives//html/Towertalk/2006-09/msg00489.html (9,375 bytes)

3. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Wed, 13 Sep 2006 20:38:48 -0700
Generally true. There are some ways to do it legally. If it's buried, it might be moot. That's the practical reason for the electrical code requirement to that effect. And, from a practical standpoin
/archives//html/Towertalk/2006-09/msg00490.html (10,103 bytes)

4. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: ersmar@comcast.net
Date: Thu, 14 Sep 2006 03:42:44 +0000
Alan: My comments embedded below. 73 de Gene Smar AD3F Electrical power circuits MAY not be run (not permitted) along with control wiring and coaxial cable, per National Electric Code. It's also a go
/archives//html/Towertalk/2006-09/msg00491.html (10,553 bytes)

5. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Daron J. Wilson" <daron@wilson.org>
Date: Wed, 13 Sep 2006 21:35:46 -0700
Not exactly. We run control cables and AC power cables in the same pipe when needed, it is not a code violation provided the insulation rating on the wire is correct. For example, if you use shielde
/archives//html/Towertalk/2006-09/msg00492.html (14,889 bytes)

6. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Wed, 13 Sep 2006 22:24:16 -0700
Actually, it's not the conduit that causes problems, code wise, it's where the cables terminate in the box. You have to have a one of those funky boxes with a divider in it, unless it's just a pull b
/archives//html/Towertalk/2006-09/msg00493.html (15,391 bytes)

7. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "David J Windisch" <davidjw@cinci.rr.com>
Date: Thu, 14 Sep 2006 05:24:17 -0400
Could you pull a truly h-d extension cord in the (buried) pipe to the tower, along with the cables, and plug it in, only when you needed power at the tower, to an isolation xfmr? 73 Dave N3HE SNIP __
/archives//html/Towertalk/2006-09/msg00494.html (8,077 bytes)

8. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Dick Green WC1M" <wc1m@msn.com>
Date: Thu, 14 Sep 2006 12:16:19 -0400
My comments embedded: Our local code says separate conduits must be used. I can't imagine using metal conduit. I used PVC. Not the white schedule 40 plumbing stuff, but the grey stuff specifically de
/archives//html/Towertalk/2006-09/msg00499.html (15,263 bytes)

9. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Thu, 14 Sep 2006 10:02:57 -0700
Several comments. First, use TWISTED PAIR for all control cables and for power. This minimizes crosstalk/noise to control lines. Don't bother with shielded cable -- cable shields provide NO magnetic
/archives//html/Towertalk/2006-09/msg00503.html (9,591 bytes)

10. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Donald Chester" <k4kyv@hotmail.com>
Date: Thu, 14 Sep 2006 17:48:40 +0000
I have a run of direct-burial coax simply buried a couple of inches in the ground, along with my radial system. I used to have a control cable lying on top of the ground, until it got sucked into a l
/archives//html/Towertalk/2006-09/msg00504.html (11,116 bytes)

11. [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: Nick Pair <daweezil2003@yahoo.com>
Date: Thu, 14 Sep 2006 15:04:01 -0700 (PDT)
Hi All, The NEC generally doesn't require more than 24 inches cover from the top of the conduit or direct burial wires in all areas with a lot of shallower exceptions listed. So if you have 24 inches
/archives//html/Towertalk/2006-09/msg00518.html (11,145 bytes)

12. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Daron J. Wilson" <daron@wilson.org>
Date: Thu, 14 Sep 2006 16:19:12 -0700
Twisted pair is a wonderful technology for balanced circuits, but, doesn't do the same for unbalanced circuits. Try running your coax (unbalanced) twisted around another coax, you don't get the same
/archives//html/Towertalk/2006-09/msg00523.html (10,141 bytes)

13. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Eugene Jensen" <eugenejensen@nyc.rr.com>
Date: Thu, 14 Sep 2006 19:53:47 -0400
AS an electrician, the only thing I will comment is that most jurisdictions will require you to get an electrical permit and it will be by NEC code, it will be a GFI protected outlet. Whether you pla
/archives//html/Towertalk/2006-09/msg00528.html (13,074 bytes)

14. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Thu, 14 Sep 2006 17:28:39 -0700
Twisted pair cable DOES reduced noise coupling in unbalanced circuits. The fact that adjacent twists exposed to nearly the same field are out of polarity and cancel is a VERY significant factor, and
/archives//html/Towertalk/2006-09/msg00530.html (12,726 bytes)

15. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Thu, 14 Sep 2006 17:33:44 -0700
GFI's are a wonderful thing for safety, but it is quite common for them to have VERY poor RFI immunity. I've blown some up that were close to my antennas (20-30 ft) running QRO, and needed to do filt
/archives//html/Towertalk/2006-09/msg00531.html (8,936 bytes)

16. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Eugene Jensen" <eugenejensen@nyc.rr.com>
Date: Thu, 14 Sep 2006 20:55:38 -0400
If that a concern either buy one to mount in the electrical panel, (pricey) or get a hospital grade commercial one; I personally have not experienced the problem, simply because I am using good comme
/archives//html/Towertalk/2006-09/msg00532.html (10,170 bytes)

17. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Daron J. Wilson" <daron@wilson.org>
Date: Thu, 14 Sep 2006 18:51:57 -0700
My point was taking 12 'control' wires of unknown state and voltage and blindly applying them to twisted pairs does not mean you are going to keep signals where you want them. For example in Etherne
/archives//html/Towertalk/2006-09/msg00536.html (14,064 bytes)

18. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Dick Green WC1M" <wc1m@msn.com>
Date: Thu, 14 Sep 2006 23:52:41 -0400
I read somewhere, I think in Polyphaser's documentation, that the need to connect the tower ground with the shack ground and service entrance ground depends on the distance between them. As I recall
/archives//html/Towertalk/2006-09/msg00541.html (9,982 bytes)

19. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: Nick Pair <daweezil2003@yahoo.com>
Date: Thu, 14 Sep 2006 22:25:58 -0700 (PDT)
Hello Dick, Also in the Polyphaser's doc's quoted in earlier posts they recommend GRC grounded at both ends. This seems to me the same idea to equalize voltages in the system. The GRC also is a choke
/archives//html/Towertalk/2006-09/msg00543.html (9,880 bytes)

20. Re: [TowerTalk] Conduit for cables to the tower? (score: 1)
Author: "Cam and Juli Hedrick" <walnutcreek@appstate.net>
Date: Fri, 15 Sep 2006 11:53:07 -0400
An electrical contractor friend of mine says that you can buys rolls of under ground conduit with the "Mule Tape" already inside complete with the lubricant for pulling cables. He has used this on 50
/archives//html/Towertalk/2006-09/msg00553.html (8,850 bytes)


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