Doug, For -48 Vdc equipment, the 3rd edition of CSA/UL 60950 gives a "should" in Annex NAB.2 unless "otherwise specified by the manufacturer..."
It is worth a look. taniagr...@msn.com ----- Original Message ----- From: "Doug McKean" <dmck...@auspex.com> To: "EMC-PSTC Discussion Group" <emc-p...@majordomo.ieee.org> Sent: Friday, January 04, 2002 4:17 PM Subject: Primary Power Range on a Product Label ... > > I've never had an NRTL actually tell me what the specific > domestic voltage *should* be. Either one is okay. I'm fairly > certain you could get by with 100-115 as well. > > You probably know already, but keep in mind the primary > voltage range placed on the label of a product directly sets > the upper (+6%) and lower (-10%) limits of HI/LO line > testing at an NRTL. > > 100-120V yields 90 and 132 > 100-127V yields 90 and 135 > > A difference of 3 volts on the upper side might not matter. > Then again, it might. > > - Doug McKean > > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Michael Garretson: pstc_ad...@garretson.org > Dave Heald davehe...@mediaone.net > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > Jim Bacher: j.bac...@ieee.org > > All emc-pstc postings are archived and searchable on the web at: > No longer online until our new server is brought online and the old messages are imported into the new server. > ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: pstc_ad...@garretson.org Dave Heald davehe...@mediaone.net For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org All emc-pstc postings are archived and searchable on the web at: No longer online until our new server is brought online and the old messages are imported into the new server.
