Re: Oil Refinery

["Roland More" <NoSpamroland@xxxxxxxxxxxx>]

As a rule we always consider ALL wire runs as plenum unless PROVEN otherwise
(meaning okay for PVC). There are too many times when a wire run starts out
as a non plenum, but before it reaches the target it goes through a return
air or similar area.

"Jim" <alarminex@xxxxxxx> wrote in message
news:1184989439.387759.141820@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> On Jul 20, 8:14?pm, "Just Looking" <nos...@xxxxxxxxxx> wrote:
>> Well I thought of that. Bosch Gen 3 cameras had a pressurized model we
>> used,
>> but I haven't gotten a good answer from the rep on a Gen 4 equivalent
>> model.
>> I was going for at least one VG4-524-ETE1R model. I was not worried about
>> "needing" explosion proof housing since I don't think it would be an
>> issue
>> (with the Aiphone LED and maglocks and strikes etc already there) in the
>> area of deployment. However if there was an accidental release of
>> something
>> nasty from the refining area, without a pressurized dome the gas could
>> enter
>> the sensitive areas of the camera dome and cause problems.
>>
>> "Nick Markowitz Jr." <nick-markow...@xxxxxxxxxxx> wrote in
>> messagenews:s5coi.60$ib7.9@xxxxxxxxxxx
> Ummmm ..... just because there are other devices in the area that are
> not rated as explosion proof, doesn't mean that they were installed
> legitimately. I'd check anyway.
>
> I've never installed any of that type of equipment, but I can't tell
> you how many times I've found non plenum cable in plenums. I'll always
> tell the client that there'll be additional cost for plenum wire, and
> if they say to install otherwise, I make them sign a waiver that they
> were informed or .... it's in the estimate that they sign off on, that
> the installed wire is non-plenum, by customer request.
>