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Old 25-Oct-2010, 8:32 AM   #8
GroundUrMast
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Join Date: Oct 2010
Location: Greater Seattle Area
Posts: 4,773
Quote:
Originally Posted by John Candle View Post
Some houses have partial metal roofs , houses other then mobile homes have full or partial metal siding. If a nongrounded metal roof is struck by lightning , the electric lightning is in the metal roof , the electric lightning will leave the metal roof and go where? . Also the metal vent pipes that are sticking up out of the tops metal and nonmetal roofs these are not grounded with a -separate- ground wire.
Good points & questions. However, I think that grounding of metal roofs and siding are topics for a different forum.

Perhaps http://forums.mikeholt.com/
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