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[TowerTalk] Grounding Lighting Arrestors

To: "Tower and HF antenna construction topics." <>
Subject: [TowerTalk] Grounding Lighting Arrestors
From: Tony <>
Date: Thu, 21 Apr 2011 00:08:35 -0400
List-post: <">>

I have a few questions about grounding coax lighting arrestors. I have 2 
Polyphasor's attached to an aluminum plate inside a small enclosure. The 
plate is connected to wide copper strap.

My crank up tower is attached to 3 ground rods using 3 separate runs of 
#2 stranded. I planed on grounding the lightning arrestors to one of 
those ground wires coming off the tower with an 18 inch length of strap. 
I'll be using a copper clamp to attach the strap to the ground wire.

The alternative would be to mount the enclosure on the outside of the 
house, which would put the Polyphasors six feet away from the ground 

My question is, would there be much difference in the effectiveness of 
the lightning arrestors and the ground system by mounting them that much 
farther away?

Finally, what's the best anti-corrosion stuff to use on the ground 
connections and is it necessary to use anything on the exposed copper 
strap to keep it from oxidizing?




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