On Wednesday, March 10, 1999 5:00 AM, WOODS, RICHARD [SMTP:[email protected]] wrote: > As I think about this situation, there is a way of obtaining UL Listing on > the rack and have other certification marks on the internal equipment. Have > UL List just the rack without the equipment. Now you can mix and match the > internal certified equipment as you see fit keeping in mind not to exceed > the cooling and electrical capacity of the rack. This is what we use to do a > decade ago at a mini-computer company. We would configure systems from > Listed racks, cpus, disks, tapes, etc. > RRR. So after we obtained the UL listed for rack (model ABC-001), then we configure, add recognized disks, recognized tapes ...etc. etc.. now it become new model (DEF-001). Do we have to submit this new model for certification again ???. >
Now to Jim's point. There is no law that requires one agency to accept the > certification marks of another agency. For example, UL will not accept ETL > marks on components and both are NRTLS. The only way one agency will accept > the marks of another is if there is an agreement between them. The CB scheme > is one good example. CSA and UL have an agreement to accept each others test > data I believe, but I don't believe that they will accept each others marks. RRR. They don't accept each others mark, but would they review and accept test data??? Tac Pham HC Power > > ---------- > From: Jim Eichner [SMTP:[email protected]] > Sent: Tuesday, March 09, 1999 3:23 PM > To: 'EMC-PSTC - forum' > Subject: RE: Rack System Safety (UL1950/EN 60950) Questions > > Re Richard's item 5)... > > > 5. UL requires that all internal equipment be UL Listed or > > Recognized. > > > If that is true, then the value of the CSA/NRTL mark, and conversely > the > cUL mark if CSA plays this way too, is highly questionable. Do you > have > a direct-from-UL interpretation saying that they are not accepting > the > CSA/NRTL mark? If so, I would expect CSA to take action to defend > its > mark, and UL to have no firm ground to stand on! > > Comments? > > Jim Eichner > Statpower Technologies Corporation > [email protected] > http://www.statpower.com > Any opinions expressed are those of my invisible friend, who really > exists. Honest. > > > --------- 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).

