From: John Woodgate
Sent: Friday, March 16, 2007 11:40 AM
It may well need to maintain its shape as well as not
burning. For example, PTFE won't burn, but melts.
UL 2043 looks at heat release and smoke developed. Anything that can
retain its shape after this testing provides a bonus
Pete,
To be clear, you are asking about the actual plenum, not an electrical
component or wire installed in the plenum. Correct?
If so, this would not even be an electrical or telecom question, but a
question on the flammability of building construction materials. You would
probably find this
In message daa7e0c23f285e409c808f9d497609ba0176a...@exch2.trpz.com,
dated Fri, 16 Mar 2007, Marko Radojicic ma...@trapezenetworks.com
writes:
It would be great to save money and be compliant. I think I'll do an
experiment or two in that direction.
It may well need to maintain its shape as
-6226
Email: db...@bostona.com
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Marko
Radojicic
Sent: Friday, March 16, 2007 1:31 PM
To: McInturff Gary; Tarver, Peter; emc-p...@ieee.org
Subject: RE: plenum ratings
I'm not sure the correct question is being asked. There are no plastic
In message
be3336be85968d49be01e66d6e365b1e01b5a...@sjc1amfpew01.am.sanm.corp,
dated Fri, 16 Mar 2007, Tarver, Peter peter.tar...@sanmina-sci.com
writes:
OK, four types of ducts and plenums.
If it quacts like a duct... (;-)
--
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and
In message
be3336be85968d49be01e66d6e365b1e01b5a...@sjc1amfpew01.am.sanm.corp,
dated Fri, 16 Mar 2007, Tarver, Peter peter.tar...@sanmina-sci.com
writes:
From: John Woodgate
Sent: Friday, March 16, 2007 10:14 AM
McInturff Gary writes:
Combustable seems pretty clear - although some metals
Sent: Friday, March 16, 2007 10:44 AM
To: emc-p...@ieee.org
Subject: RE: plenum ratings
Hi, Marko.
From: Marko Radojicic
Sent: Friday, March 16, 2007 10:31 AM
The requirement is to pass the UL2043
standard. (UL Schaumburg (sp?) is the only lab that I've
found who can perform this test.
We
From: Tarver, Peter
Sent: Friday, March 16, 2007 10:25 AM
NEC ยง300.22 is clear. It's divided into three types of ducts
and plenums.
OK, four types of ducts and plenums.
Peter
CONFIDENTIALITY
This e-mail message and any attachments thereto, is intended only for use by
the addressee(s)
Hi, Marko.
From: Marko Radojicic
Sent: Friday, March 16, 2007 10:31 AM
The requirement is to pass the UL2043
standard. (UL Schaumburg (sp?) is the only lab that I've
found who can perform this test.
We went to UL's Northbrook office for UL 2043 testing. Schaumburg may
be where UL's NBK
From: John Woodgate
Sent: Friday, March 16, 2007 10:14 AM
McInturff Gary writes:
Combustable seems pretty clear - although some metals burn under the
right conditions and thicknesses.
All bar eight, I think, given enough thermal encouragement.
Ag, Au, Ru, Rh, Pd, Os, Ir, Pt.
Or
: McInturff Gary [mailto:gmcintu...@spraycool.com]
Sent: Friday, March 16, 2007 9:52 AM
To: Tarver, Peter; emc-p...@ieee.org
Subject: RE: plenum ratings
I don't have the NFPA reference at hand, but would it
possible if using 94V5? It is intended for use, at least in
90650, is for a fire
Sent: Friday, March 16, 2007 9:52 AM
To: Tarver, Peter; emc-p...@ieee.org
Subject: RE: plenum ratings
I don't have the NFPA reference at hand, but would it possible if using
94V5? It is intended for use, at least in 90650, is for a fire enclosure
embedded into building structure and non-movable
: McInturff Gary [mailto:gmcintu...@spraycool.com]
Sent: Friday, March 16, 2007 9:52 AM
To: Tarver, Peter; emc-p...@ieee.org
Subject: RE: plenum ratings
I don't have the NFPA reference at hand, but would it
possible if using 94V5? It is intended for use, at least in
90650, is for a fire
In message
51b0e17d0920404a967d381039139ad0015bc...@ds10965.spraycool.com, dated
Fri, 16 Mar 2007, McInturff Gary gmcintu...@spraycool.com writes:
Combustable seems pretty clear - although some metals burn under the
right conditions and
thicknesses.
All bar eight, I think, given enough
.
Gary
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Tarver,
Peter
Sent: Friday, March 16, 2007 9:19 AM
To: emc-p...@ieee.org
Subject: RE: plenum ratings
From: Pete Perkins
Sent: Friday, March 16, 2007 8:43 AM
What do we collectively know about needed ratings
From: Pete Perkins
Sent: Friday, March 16, 2007 8:43 AM
What do we collectively know about needed ratings for
plastic plenums?
I believe this is more for electrical than telecomm, but
that's not clear yet.
Pete -
Considering that combustible materials are forbidden to be
Hello Pete,
There are different requirements depending on how the plastics are used.
If the plastics are part of the structure of the plenum, insulation used in
the plenum or a large surface area, they will need to pass a large scale
burn test. The applicable test for the United States is ASTM
David -
Yes, the wiring either must be plenum rated or must be
completely enclosed in an approved wiring method. If
pigtails are provided, installation instructions or markings
should give some advice about properly installing the
equipment.
Background:
The requirements in the US are found in
18 matches
Mail list logo
