Posted for Robert Tims:
------------------------ From: "Robert Tims (EMX)" <[email protected]> Subject: RE: Enclosures rated for.. Date: Thu, 15 Apr 1999 10:33:56 -0500 To: "'Sparacino,George'" <[email protected]>, [email protected] > George, > > Try Robert Backstrom of UL in UL Northbrook's Fire testing group. His email > is [email protected]. > > Regards, > > BobTims > Compliance Engineer > Ericsson Messaging Systems Inc. > > > -----Original Message----- > > From: Sparacino,George [SMTP:[email protected]] > > Sent: Wednesday, April 14, 1999 3:27 PM > > To: [email protected] > > Subject: Enclosures rated for.. > > > > Hello Group, > > > > I got a request to have our future open class controller products "Plenum > > Rated". In doing so, we could advertise that the product can be installed > > in a plenum.. the dead space above a drop ceiling to be exact. The > > controllers are housed in a plastic (polymeric) enclosure. > > > > So far, I found UL test requirements (UL935) for electric lighting > > ballast's > > that are to be installed in a similar space. These requirements are > > extracted from the NEC and pertain to smoke and fire (flamespread). I > > haven't found a specific UL (or any other) document that encompasses > > enclosures in a plenum specifically for the purposes of marking. I have > > seen specific requirements for wire & wiring (cabling). > > > > If anyone in the group is familiar with the criteria for "Plenum Rated" > > Enclosures, I would like to know if I'm on the right track. Also, if you > > know of any more requirements or a specific standard(s) that would apply, > > please enlighten me. > > > > Thanks, > > George > > > > --------- > > This message is coming from the emc-pstc discussion list. > > To cancel your subscription, send mail to [email protected] > > with the single line: "unsubscribe emc-pstc" (without the > > quotes). For help, send mail to [email protected], > > [email protected], [email protected], or > > [email protected] (the list administrators). > > ---------------End of Original Message----------------- -------------------------- Ed Price [email protected] Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA 619-505-2780 List-Post: [email protected] Date: 04/15/1999 Time: 09:55:24 Military & Avionics EMC Services Our Specialty Also Environmental / Metrology / Reliability -------------------------- --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
