[TCUG] Re: Tall Poles
- From: "Welsh, Paul" <Paul.Welsh@xxxxxxxxxx>
- To: <tcug@xxxxxxxxxxxxx>
- Date: Mon, 26 Nov 2007 16:11:59 -0000
If you use waterproof boxes at the base for connections where they are
accessible the problem goes away. The level of condensation is too high
for exposed terminals, waterproof caps are an irrelevance. Mike Nixon
has a good source. =20
Regards PW
-----Original Message-----
From: tcug-bounce@xxxxxxxxxxxxx [mailto:tcug-bounce@xxxxxxxxxxxxx] On
Behalf Of Pat Gregory
Sent: 22 November 2007 17:27
To: tcug@xxxxxxxxxxxxx
Subject: [TCUG] Re: Tall Poles
At the risk of teaching to suck eggs etc.
Surely it is incumbent on the specifier (i.e. local authority) to insist
upon how and with what equipment is connected. As polecaps are not
waterproof, only showerproof, surely your contractors should be
specifying
waterproof post caps as well! As long as the enclosure is electrically
safe
and well sealed, I would request that either DIN rail or standard
terminals
are used. As long as separation between ELV/LV is maintained, I can't
see
any benefit in a waterproof enclosure. Is there a history of equipment
damage due to water ingress? If so I would look more closely at how well
the
equipment seals are maintained before going to the expense purchasing
and
installing IP enclosures (which will still prpbably be susceptible to
condensation)
Regards
Pat Gregory
Director
Traffic and Transportation Services Ltd
74 Meadowside
Eltham
London
SE9 6BB
Tel/Fax: 0208 8505271
Mob: 07967 725039 =20
-----Original Message-----
From: tcug-bounce@xxxxxxxxxxxxx [mailto:tcug-bounce@xxxxxxxxxxxxx] On
Behalf
Of Matthew Smith
Sent: 22 November 2007 10:31
To: tcug@xxxxxxxxxxxxx
Subject: [TCUG] Tall Poles
At site where we use tall poles I have previously used a small terminal
pillar situated near to the base of the pole to terminate LV and ELV
supplies at ground level. As this adds to our stock of street furniture
I
would like to try and utilise an enlarged base pole for the job. My
problem
is that I cannot find suitable poles which have enough space to
accommodate
the waterproof enclosures separating the LV / ELV supplies that our
maintenance contractor insists upon.
I have seen enlarged base poles in other areas that presumably get
around
this [problem?], some of which have two doors in the base.
Can anyone either suggest a supplier or describe how they make off their
connections (at ground level) to meet all the relevant standards without
using another term cabinet.
Thanks.
Matt Smith. Assistant Engineer
Engineering Design | Traffic Signals
Leicestershire Highways
Masmith(AT)leics.gov.uk
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