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Old 09-22-2019, 11:02 AM   #2
kchace
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Quote:
Originally Posted by FF View Post
Just wonder how many Joules of protection are needed to have no harm from a marina line wire lightning strike?.

According to the University of Illinois dept of physics, 1-10 billion joules of energy in a bolt 3 miles long.

https://van.physics.illinois.edu/qa/...ghtning-strike
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