Keep in mind also that the ground for these surge protectors MUST be the same ground as everything (electricity, phone, cable, etc) otherwise you’ll have a different potential across the two grounds and set up a voltage across those two and wipe out a lot of stuff in your house… Ask me how I know this…
Herb
Please excuse any typo's as this was sent from my iPhone.
On Oct 21, 2022, at 7:16 AM, Burns Fisher wb1fj-bb@fisher.cc wrote:
I have my surge protectors at the entrance to the house. I realize that a) this is only for surges, not a direct strike and b) this is not protecting the preamps at the antenna or the coax run, but I'll take that risk. I had to use a separate power line, and that also goes through a surge protector.
o73,
Burns WB1FJ
On Thu, Oct 20, 2022 at 10:50 PM Zach Metzinger zmetzing@pobox.com wrote: On 10/20/22 11:15, John Kludt wrote:
"Good insurance!" Do what you can afford but nothing will protect you completely.
Agreed. Having witnessed a strike to our house which hit the gutters only a few dozen feet away (and survived it -- inside), I can say that your best protection is _unplugging_ everything when not in use.
A direct strike arced over GDTs and still fried some of the equipment attached to the coax. This included the the cable modem, whose coax happened to run right beside the HF coax.
--- Zach N0ZGO
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