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Default waterproofing connection box

Im about to put a connector box on a mast and i found this advice

"If you were going down that road, I would suggest IP55 with plugged
drainholes facing down as this will allow any condensation (which is
bound to form with the wide range of temperatures it will
experience)to exhaust to the atmosphere without letting further
moisture in otherwise any moisture will be trapped inside and may
hasten a unit failure."

what are plugged drainholes ?

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Default waterproofing connection box

On May 22, 4:30*pm, wrote:
what are plugged drainholes ?


If you want condensation to drain out of an enclosure, you drill holes
in the lowest part of the enclosure.

To waterproof it completely you would use "dog turd" compound fill
such as Bicon R938 (think I have the number wrong, but TLC lift it as
removeable potting compound, it's a non-setting bitumen putty) OR the
Magic Gel potting compound which requires no drain holes and a top
fill hole (pour in, let it set, completely IP68 encapsulated).
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Default waterproofing connection box

On Sat, 22 May 2010 16:30:35 +0100, christopher wrote:

Im about to put a connector box on a mast and i found this advice

"If you were going down that road, I would suggest IP55 with plugged
drainholes facing down as this will allow any condensation (which is
bound to form with the wide range of temperatures it will experience)to
exhaust to the atmosphere without letting further moisture in otherwise
any moisture will be trapped inside and may hasten a unit failure."



It isn't always a good idea to attempt complete waterproofing. It's
better to allow a couple of small holes at the lowest point to allow
condensation to escape. IP55 is a minimum for outdoor use (it isn't even
dust-proof) - and you will need those drain holes as some water
penetration is allowed. Also, a false, sloped top is a good idea as it
keeps direct sun off (partially) and prevents a build up of snow on the
top.

IPxx info: http://en.wikipedia.org/wiki/IP_Code

--
Mick (Working in a M$-free zone!)
Web: http://www.nascom.info
Filtering everything posted from googlegroups to kill spam.
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