[Antennas] coax question

Wed Sep 8 18:51:23 EDT 2004

John,
I did sort of the same thing you mentioned here, except we added this "sun 
room" on the house, so I got to do it in the building stages. I had the A/C 
man build up some boxes out of his duct material the size of a brick and 
deep as the whole wall, and had the bricklayer mortar it in. I also slid 
copper flashing material under the studs in several places so I could run 
some copper tubing around the room inside and tie to ground outside where it 
is handy, hi. Made a nice installation. Where I ran the ladder line 
through the metal "box", I used a plastic electrician's "LB" fitting so it 
would be flat against the wall,but angled down like you said, and a piece of 
pvc through the box. Didn't seem to interfere with the ladderline at all. I 
have three bricks in reserve so I can replace those "boxes" when I move, if 
ever, hi. Maybe Larry can do a similar thing to what has worked for us. 
The steel wool, insulation, silicon, etc. are essential here to keep the 
cool and little critters out!!
73,
Don, WB5HAK
----- Original Message ----- 
From: "John Brown" <ke4hie at alaweb.com>
To: "Larry Fields" <n6hpx_du1 at hotmail.com>; <antennas at mailman.qth.net>
Sent: Wednesday, September 08, 2004 4:53 PM
Subject: Re: [Antennas] coax question
>I mounted a small metal electrical box with a hinged door outside my home 
>to
> allow for feedlines to enter.
> I used a 1/4 masonry bit to remove the mortar from around (2) bricks and
> removed the whole bricks
> from the wall. Be sure to measure inside to make sure that the bricks you
> remove do not land on a wall
> stud or electrical outlet. ( These bricks can be easily replaced if you 
> ever
> decide to change the location
> of your feed-through or sell the place. )
>> I used (2) pieces of 1 1/4" PVC conduit to pass through the hole, using
> threaded connectors
> and conduit nuts to secure the conduit to the outside box and to the
> sheetrock inside. Be sure
> to use some silicone along the top edge of the box to seal out any rain 
> that
> might seep between
> the box and the bricks. By tightening the conduit nuts, you can secure the
> conduit tightly to the
> outside box and inside wall. You can paint the box outside to match the
> house trim.
>> I my situation, I use hardline coming from the tower so I mounted all the
> hardline connectors in the
> bottom side of the box and used RG-213 jumpers to come in the shack. ( 4
> runs at 5 ft. each) I can
> easily disconnect these jumpers when needed and I also grounded the 
> outside
> box with an 8 foot
> ground rod to help with lightning. It makes it easy to add feedlines later
> by putting another hole in
> the bottom side of the box and pull it through. I have my box positiofed 
> so
> the door hinges are up
> so I have better access to the box. I use a little rock wool around the
> feedlines as they enter the pvc
> conduit to insulate for drafts and keep any little small critters from
> getting in.
>> Mine has been this way for over 10 years without any
> problems...............John Brown - KE4HIE
>> ----- Original Message ----- 
> From: "Larry Fields" <n6hpx_du1 at hotmail.com>
> To: <antennas at mailman.qth.net>
> Sent: Wednesday, September 08, 2004 1:28 PM
> Subject: [Antennas] coax question
>>>> I am planning to reroute my coaxial cables through a hollow brick wall,
>> with a plastic PVC as the entry way for this. I have for years been
> running
>> it through my windows on the shack but figured since my family was 
>> getting
>> special storm class windows that I wanted to reroute the cables.
>> Does any one see any problems with this and if so what can I see in 
>> the
>> changes.
>>>> Larry Fields, n6hpx/du1
>>>> _________________________________________________________________
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