-----Original Message-----
>From: Commander John <crazytvjohn@yahoo.com>
>Sent: Jun 26, 2008 8:25 PM
>To: towertalk@contesting.com
>Subject: Re: [TowerTalk] UFER grounding system
>
>Heat causes concrete to explode. That is why no one welds dirrectly on the
>floor, but uses a brick or wood. Lightning causes lots of heat.
> john w9zy
>
Lightning may be hot, but current flowing through a properly done UFER ground
(aside from being required by the electrical code) doesn't get hot enough to
cause explosions (technically spalling).. Crummy rusted rebar or bolts maybe...
The Ufer ground was *invented* as a lightning ground.
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