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1. Re: [TowerTalk] exploding foundations and semantic quibblesregarding Ufer & "Single Point" grounds (score: 1): Author: Jim Jarvis <jimjarvis@optonline.net>; Date: Fri, 14 Sep 2007 07:26:23 -0400; It was written, regarding UFER grounds: "Sinking the ground rod several inches below the bottom of the foundation hole and only running copper wire out the bottom of the concrete is no problem. If ho; /archives//html/Towertalk/2007-09/msg00475.html (8,415 bytes)
2. Re: [TowerTalk] exploding foundations and semantic quibblesregarding Ufer & "Single Point" grounds (score: 1): Author: "W7CE" <w7ce@curtiss.net>; Date: Fri, 14 Sep 2007 05:58:14 -0700; So are you saying that you don't believe in Ufer grounds? If I understand them correctly, the whole point is to develop a low impedance path to ground through the concrete. _________________________; /archives//html/Towertalk/2007-09/msg00478.html (8,531 bytes)
3. Re: [TowerTalk] exploding foundations and semantic quibblesregarding Ufer & "Single Point" grounds (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Fri, 14 Sep 2007 07:24:04 -0700; I don't think so. Fusing current on a typical solid UFER ground wire is pretty high. When doing exploding wire experiments 10 years or so ago, I recall it takes on the order of tens of kiloJoules to; /archives//html/Towertalk/2007-09/msg00485.html (11,540 bytes)
4. Re: [TowerTalk] exploding foundations and semantic quibblesregarding Ufer & "Single Point" grounds (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Fri, 14 Sep 2007 17:25:29 -0500; The chart from Jim is good to keep in mind when considering employing your verticals radial system as part of your lightning ground system. I see many worry that they should use large wire for the ra; /archives//html/Towertalk/2007-09/msg00509.html (11,557 bytes)

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