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On 2014-06-13 09:46, Paul Gallaway wrote:
<blockquote
cite="mid:CAC98qCe6xL7Gmu8PG0+efXecSp7jn2q+BZ_MrdDxiaxaqF9h8A@mail.gmail.com"
type="cite">
<pre wrap="">If there were a lightning induced energy travelling down a wire I would prefer it not come inside my house.</pre>
</blockquote>
<big>Think of the Nuclear EMP. Lightning does the same. It can create a
rapidly changing electromagnetic pulse from the current transfer. <br>
And this electromagnetic pulse can create surge voltages in nearby
conductors.<br>
This is some of the what the various surge protectors guard against.<br>
<br>
And as said earlier, lightning rods and such may be enough to bleed off
charge preventing a build up.<br>
<br>
As for a direct lightning strike: there are lots of joules at play.<br>
<br>
JohnJ</big><br>
<br>
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