Or use something like Coax Seal and mold it all the way down the connector onto the box so the water doesn't pool around the connector.

Also a drain hole in the bottom of the box is probably better than trying to hermetically seal the box, which will cause a vacuum when the temperature drops which then sucks water in through any tiny gaps.

And I would drip loop the coax both outside and inside the box.


-----Original Message----- From: ch...@wbmfg.com
Sent: Thursday, November 12, 2015 12:46 PM
To: af@afmug.com
Subject: Re: [AFMUG] sealant for N-F bulkhead connectors

Ug...

N connectors are water resistant, but that is only internally where the two
halves mate at the rubber washer.
Water ingress along the cable is the area where N connectors leak if they
are going to leak.

I would heat shrink everything after you put the cables on the box, then RTV
around the bulkhead area.  I like the heat shrink with the sticky hot glue
layer that extrudes out the ends.

Of course with nice drip loops on the cables.

-----Original Message----- From: Adam Moffett
Sent: Thursday, November 12, 2015 11:34 AM
To: af@afmug.com
Subject: [AFMUG] sealant for N-F bulkhead connectors

I have to install some N-F bulkhead connectors on a box.  They're going
to come out the to of the box.  I would never have put them on top if
there was another way, but suffice to say that's how they're going to be.

The connectors do come with some kind of rubber washer, but I was
thinking of putting RTV gasket maker under the locknut inside and/or
under the flange on the outside.

I'm sure I'm not the first one to do this:  So is there something more
appropriate than RTV gasket maker for this job?


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