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[TowerTalk] utility box and feed-throughs

To: towertalk@contesting.com
Subject: [TowerTalk] utility box and feed-throughs
From: Hans Hammarquist <hanslg@aol.com>
Date: Fri, 19 Apr 2013 16:48:20 -0400 (EDT)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I am planning to put a box near the top of my tower and use it for various 
signal wire connections such as rotator cables, antenna switches etc. My idea 
was to pull a multi-conductor cable between my shack and this box, have several 
screw terminals in the box to attach whatever I need signal and power for. 
(Yes, I have a 115 V output in the tower already. It has survived several 
winters so far. No, I don't have power on it unless I need to.)


In order to make the box reasonable water tight I plane to use regular, sealed 
feedtrough for the cable. My dilemma is: What feed-through do I use for the 
cables between the rotators and the switches etc and the box? I can add a 
sealed feed-through each time I need a new connection but that requires me to 
make a hole in the box and put a sealed feed-through each time. Not a big deal 
if yuo are on the ground or in your work shop but hanging by one arm, 80 feed 
up does not appeal to me.


Is there anything out there made for this purpose? It needs to be very easy to 
use, be able to accept several cables, if so small and it needs to be able to 
seal out at least insects but water is also not very welcome.


73 de,


Hans - N2JFS
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