[TriLUG] OT: Lightning protection (was DTV transition and new ATSC frequencies)
slitt at troubleshooters.com
Mon Jun 15 10:49:18 EDT 2009
On Sunday 14 June 2009 11:05:52 pm Mark Turner wrote:
> Len Boyle wrote:
> > Any thought on lighting protection?
> Best lightning protection tutorial you'll ever find:
Trouble with that doc is it looks to me like the cost would be tens of
thousands of dollars, and it has little to do with your external TV antenna.
Bluntly, I'd let my insurance company take care of it in the very unlikely
event of a catastrophic lightning hit, rather than fixing and bonding all
ground from the house.
My question boils down to this: Now that in the form of an outdoor antenna I'm
putting up a big lightning bullseye, what can I do to minimize problems when
that bullseye gets hit. I think what you *COULD* take away from this article
is that the coax from your antenna can be bonded to your electrical service
I saw an example when the cable installers did their thing. The cable comes up
from the ground, goes into a special splice that includes a wire block
connected to the shielding, and a 1 foot #12 wire goes from that wire block
to one that clamps the wire to the house's grounding wire. After reading the
article I'm skeptical about the diameter of the #12 wire, but...
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