Mr. Kaz Gawrzyjal got the answer mostly.
However, be careful. Article 645-5 (d) states you can use 645 wiring method
provided the following...
645-5 (d)(3) states Ventilation in the underfloor area is used for the ITE
room only.
300-22(d) allows wiring under floors in ITE installations followin
[WDC:2Y31:EXCH]
Sent: Wednesday, May 17, 2000 2:31 PM
To: 'shad...@us.ibm.com'; emc-p...@majordomo.ieee.org
Subject: RE: Dust-Tight/Water-Tight Connectors For Use Under Raised
Floors
Ken,
You might check the varied assortment of UL standards dealing with fittings.
The following link ma
Ken -
I think your answer is in your own question (call the AHJ in Chicago and
ask). This may be a requirement resulting from local legislation.
Regards,
Mark Gill
EMC/Safety/NEBS Design
Nortel Networks
> -Original Message-
> From: shad...@us.ibm.com [SMTP:shad...@us.ibm.com]
> Sent:
Ken,
You might check the varied assortment of UL standards dealing with fittings.
The following link may be of use (the only one I have readily available).
I'm assuming CSA and others, will have similar info on the web.:
http://ulstandardsinfonet.ul.com/catalog/
Regards,
Kaz Gawrzyjal, P. Eng.
Ken,
I don't know of any regulations pertaining to this. I can tell you though
that from past experience I have been in situations were the raised floor
has flooded with water. This alone could be a reason to use such a
connector.
Just my 2 cents..
Regards,
Josh
-Original Message-
From:
Equipment in "air handling" space is addressed in the NEC. The basic
requirement is to prevent smoke emissions from equipment located in the air
handling space. UL has Listed some of our ITE for that purpose. Hermetic
sealing was not a requirement, but reasonable practice in sealing cable
openings
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