Search String: Display: Description: Sort:

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+grounding\s+quesitons\:\s+Ufer\,\s+strap\,\s+exothermic\s+welds\s*$/: 26 ]

Total 26 documents matching your query.

21. Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds (score: 1)
Author: "Jim W7RY" <w7ry@inbox.com>
Date: Sun, 17 Apr 2011 22:36:43 -0700
Good info Dave... Also From the same site: http://comm-omni.com/ and their ham radio info page... Dissimilar Metals Copper should never touch galvanized material directly without proper joint protect
/archives//html/Towertalk/2011-04/msg00277.html (22,726 bytes)

22. Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Mon, 18 Apr 2011 06:34:47 -0700
NEC wouldn't require it, although it does require grounding the antenna itself and any supporting structure (mast for a dish, for instance). NFPA 780 (lightning protection) probably does require it,
/archives//html/Towertalk/2011-04/msg00279.html (11,945 bytes)

23. Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds (score: 1)
Author: Dick Green <dick@mailgreen.us>
Date: Sun, 17 Apr 2011 14:30:32 -0400
I don't agree about not connecting to the rebar. That's the standard way to do a Ufer ground and I believe that's the way it's described in the NEC. My local jurisdiction required a visual inspection
/archives//html/Towertalk/2011-04/msg00282.html (16,138 bytes)

24. Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds (score: 1)
Author: "Dick Green WC1M" <wc1m73@gmail.com>
Date: Mon, 18 Apr 2011 15:59:02 -0400
How about aluminum contacting galvanized material? I use aluminum ground clamps to connect my ground and Ufer wires to the tower legs. 73, Dick WC1M Good info Dave... Also From the same site: http://
/archives//html/Towertalk/2011-04/msg00289.html (23,435 bytes)

25. Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds (score: 1)
Author: David Gilbert <xdavid@cis-broadband.com>
Date: Mon, 18 Apr 2011 14:45:28 -0700
Metal Ev -- -- Aluminum -1.67 Zinc -0.76 Iron -0.44 Nickel -0.24 Copper +0.34 and "Metals which are higher in the electrochemical series displace metals which are lower in the sequence, which means
/archives//html/Towertalk/2011-04/msg00297.html (25,752 bytes)

26. Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds (score: 1)
Author: Bill Aycock <baycock2@centurytel.net>
Date: Tue, 01 May 2012 17:36:59 -0500
Bob-- I don't know how the call got messed up-- it's a pre-done Sig (?) I am W4BSG. Of course I will accept that lightning can explode concrete, under the proper conditions. That goes along with the
/archives//html/Towertalk/2012-05/msg00000.html (10,753 bytes)


This search system is powered by Namazu