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Old 12-12-2017, 09:34 PM   #1
Join Date: Nov 2008
Location: sunnyvale, ca
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lightning conductor

My dad visited me from czech, he looked at my roof and said, you got 6 chimneys, but no a lightning conductor. I don't have 6 chimneys, those are vents. Plumbing is different there, only one central vent (usually).
But why we don't have lightning conductors here, they're mandatory there....
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Old 12-13-2017, 09:02 AM   #2
John Bridge
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There are two schools of thought. One says lightning rods/conductors channel lightning down to the ground. The other says they attract lightning that might otherwise strike somewhere else.

Electric systems over here are individually grounded.
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Old 12-13-2017, 11:54 AM   #3
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I wired up a shop building not long ago and had to use three ground rods. One at the meter I installed on the utility pole, one at the building where the power lines went in for the panel inside, and a third rod at least six feet away from that one.

Gross overkill in my opinion, but it's not like a fella gets to pick and choose the electric company to use.

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