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DTV | HDTV Reception and Antenna Discussion
Grounding an Antenna....
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<p>[QUOTE="Jim Navotney, post: 236657"]The NEC has done a good job in recent years in improving and amending their grounding and bonding standards but as with all large organizations it takes them years to finally come around to their mistakes and omissions.</p><p></p><p>And the grounding and bonding of antennas is one of these examples.</p><p>Since nobody would disagree that a antenna acts like and indeed becomes a lightning rod during a strike, it should therefore be treated more like the lightning rod it becomes when hit.</p><p></p><p>And you would NEVER attach lightning rods directly to your single point ground using a #10 wire.</p><p></p><p>What i have done for decades at homes and mountain top tower sites alike is treat the antennas like they are lightning rods.</p><p>This means using heavy gage conductors to take the strike energy to a ground rod via the shortest route possible.</p><p></p><p>And only then bond that ground rod to the single point ground.</p><p></p><p>This insures that most strike energy will be dissipated prior to reaching the single point ground.</p><p></p><p>Homes are no different</p><p>All of the hundreds of home installations i have done always use a heavy conductor that goes directly to a ground rod via the shortest path then the </p><p>rod is bonded back to the single point ground via a buried bare copper conductor intended only to equalize the potential between the two systems.</p><p></p><p>Perhaps in another 10 years or so the NEC will see the light and make more modifications to their rules.[/QUOTE]</p><p></p>
[QUOTE="Jim Navotney, post: 236657"]The NEC has done a good job in recent years in improving and amending their grounding and bonding standards but as with all large organizations it takes them years to finally come around to their mistakes and omissions. And the grounding and bonding of antennas is one of these examples. Since nobody would disagree that a antenna acts like and indeed becomes a lightning rod during a strike, it should therefore be treated more like the lightning rod it becomes when hit. And you would NEVER attach lightning rods directly to your single point ground using a #10 wire. What i have done for decades at homes and mountain top tower sites alike is treat the antennas like they are lightning rods. This means using heavy gage conductors to take the strike energy to a ground rod via the shortest route possible. And only then bond that ground rod to the single point ground. This insures that most strike energy will be dissipated prior to reaching the single point ground. Homes are no different All of the hundreds of home installations i have done always use a heavy conductor that goes directly to a ground rod via the shortest path then the rod is bonded back to the single point ground via a buried bare copper conductor intended only to equalize the potential between the two systems. Perhaps in another 10 years or so the NEC will see the light and make more modifications to their rules.[/QUOTE]
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DTV | HDTV Reception and Antenna Discussion
Grounding an Antenna....
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