LAN and Telecom Cabling How to weatherproof RG6 Quad connections

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Subject Author Date
How to weatherproof RG6 Quad connections Frank B Denman 01-18-05
Posted by Frank B Denman on January 18, 2005, 2:25 am
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I'm finally repairing my rooftop TV antenna that collapsed last winter.
I've got a new antenna, 500 feet of RG6QS, a bag of appropriately sized
F-Conn connectors and a matching compression tool, but no idea of
whether I'll need to take additional weatherproofing measures when these
connectors are exposed to rain.

F-Conn's literature describes the connectors as "weatherproof," but I
suspect they're talking about the connection between the F-conn
connector and the cable to which it is attached.

I'm primarily concerned about the connection to the balun at the
external antenna.

I can imagine packing the joint with some kind of silicone grease or
even potting it with silicone rubber sealant.

I'd really appreciate knowing what the trade practice is.

Thanks.

Frank





        
Frank Denman
Denman Systems
(please remove the x from my email address)


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Posted by James Knott on January 18, 2005, 10:01 am
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Frank B Denman wrote:

> I'm primarily concerned about the connection to the balun at the
> external antenna.
>
> I can imagine packing the joint with some kind of silicone grease or
> even potting it with silicone rubber sealant.

Go to a store that carries amateur radio supplies. You'll likely find rolls
of stuff designed for that purpose. It wraps around the cable & connectors
and forms a tight weather proof seal. I might have also seen it at Radio
Shack.



Posted by Ed Nielsen on January 18, 2005, 1:55 pm
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Rubber seals such as these: <http://www.cencom94.com/gpage1.html> are
what you're looking for.

Silicon grease is also a good thing to do on an outdoor connection,
especially if it is a CATV connection. Keeping the connection(s)
horizontal is also rather important.


CIAO!

Ed

Frank B Denman wrote:

> I'm finally repairing my rooftop TV antenna that collapsed last winter.
> I've got a new antenna, 500 feet of RG6QS, a bag of appropriately sized
> F-Conn connectors and a matching compression tool, but no idea of
> whether I'll need to take additional weatherproofing measures when these
> connectors are exposed to rain.
>
> F-Conn's literature describes the connectors as "weatherproof," but I
> suspect they're talking about the connection between the F-conn
> connector and the cable to which it is attached.
>
> I'm primarily concerned about the connection to the balun at the
> external antenna.
>
> I can imagine packing the joint with some kind of silicone grease or
> even potting it with silicone rubber sealant.
>
> I'd really appreciate knowing what the trade practice is.
>
> Thanks.
>
> Frank


Posted by Tomi Holger Engdahl on January 18, 2005, 2:38 pm
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> I'm finally repairing my rooftop TV antenna that collapsed last winter.
> I've got a new antenna, 500 feet of RG6QS, a bag of appropriately sized
> F-Conn connectors and a matching compression tool, but no idea of
> whether I'll need to take additional weatherproofing measures when these
> connectors are exposed to rain.
>
> F-Conn's literature describes the connectors as "weatherproof," but I
> suspect they're talking about the connection between the F-conn
> connector and the cable to which it is attached.
>
> I'm primarily concerned about the connection to the balun at the
> external antenna.
>
> I can imagine packing the joint with some kind of silicone grease or
> even potting it with silicone rubber sealant.
>
> I'd really appreciate knowing what the trade practice is.

I don't know what are the current trade practices on typical TV
antenna installations, but I have some knowledge on antenna installation
that go outside. The typical techniques for protecting antenna
connectors placed outside are wrapping them with a self vulcanizing
insulation tape or cover them with a heat shrinking tube that has
glue inside it. Those will make a waterproof protection for the connector
when installed correctly.

--
Tomi Engdahl (http://www.iki.fi/then/)
Take a look at my electronics web links and documents at
http://www.epanorama.net/


Posted by Robert Redelmeier on January 18, 2005, 6:02 pm
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> I'm primarily concerned about the connection to the balun
> at the external antenna.

AFAIK best practice is to put unavoidable connectors horizontal
at a local high point with drip loops. The loops minimize
the amount of water flowing by the connector, and horizontal
improves draining (no standing water).

> I can imagine packing the joint with some kind of silicone
> grease or even potting it with silicone rubber sealant.

Grease by all means. RTV is an adhesive and if you use it,
leave service loops because you will have to cut the joint--
if not to take it apart, then to reassemble.

-- Robert



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