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 Jeff Liebermann on January 19, 2005, 7:48 am
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On Mon, 17 Jan 2005 23:25:30 -0800, Frank B Denman

>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.

Actually, they're very waterproof if you remember to orient the
connectors horizontally so that they drain water, and to provide a
drip loop that directs water away from the connector.

Everyone has their favorite method of waterproofing. I have a really
bad attitude about sticky goo that does the job, but makes the
connector difficult to repair and makes a big mess. There's a better
way.

I use 1" wide teflon pipe wrap as the bottom layer. I spiral it
around the connector with about 50% overlap. On top of that, I wrap
it with 3M 66 electrical tape. The TFE provides the waterproofing and
prevents capillary action from sucking water into the connector. The
tape just holds it in place. If it's necessary to repair the
connection, the TFE does not stick to the connector, which looks brand
new when the tape is removed.

Incidentally, you can use cellophane wrap in place of the TFE in an
emergency repair, but I wouldn't leave it like that. It tends to
deteriorate.


--
# Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060
# 831.336.2558 voice http://www.LearnByDestroying.com
# jeffl@comix.santa-cruz.ca.us
# jeffl@cruzio.com AE6KS


Posted by Dale Farmer on January 19, 2005, 9:08 am
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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

3M makes this wonderful silicon rubber tape. I forget the trade name,
but better electronics and radio stores ought to have it in stock. It is like
thick electrical tape with waxed paper separating the layers. You wrap
it around the connector ( removing the waxed paper ) and over the course
of the next few days ( modulo ambient temperature) it turns itself into a
single waterproof coating. They also sell it in marine stores for waterproofing
boat trailer connections.

--Dale




Posted by Frank B Denman on January 20, 2005, 12:15 am
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>
> 3M makes this wonderful silicon rubber tape. I forget the trade name,
>but better electronics and radio stores ought to have it in stock. It is like
>thick electrical tape with waxed paper separating the layers. You wrap
>it around the connector ( removing the waxed paper ) and over the course
>of the next few days ( modulo ambient temperature) it turns itself into a
>single waterproof coating. They also sell it in marine stores for waterproofing
>boat trailer connections.
>
------------

Found it! It's Scotch 2228 Rubber Tape with Mastic Adhesive.

Per 3M directions, I wrapped the connector with the above, stretching it
to the max. Then wrapped the resulting lump with Scotch 88 tape, then
painted the tape with Scotchkote Electrical Coating. (Part No
054007-43906).

thanks to everybody for all the suggestions.

Frank

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


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