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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: So as I understand it... posted by mkuller on November 17, 2006 at 10:23:15:
We had a house in Colorado Springs, on the flanks of Cheyenne Mountain. It was near the bottom of the hill and had high-voltage transmission lines nearly over head. I thought the grounded top conductors of the transmission lines would provide some protection against lightning.Shortly after we moved out, that house was struck by lightning. The corner of the roof nearest the transmission lines was blown off.
While the primary purpose of the electrical code prohibition against separate grounds is to avoid the series resistance of the earth in the event of an equipment fault, the issue of flashover due to ground currents that flow from a nearby lightning strike is very real.
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Follow Ups
- Lightning... - Al Sekela 15:12:07 11/18/06 (1)
- Hi Al... - mkuller 16:22:20 11/18/06 (0)
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