Andrew, I would like to add my bit. For me this is a bit of a sore spot. If you compare the two UL standards against the original IEC you find that they left out Control equipment. Yet the body of each of these is a verbatim copy of the IEC. To me, this is pure bureaucracy. Although I suppose there may have been the though in some peoples minds that there would be a future need for the separation but this flies in the face of harmonization efforts worldwide.
Just my opinion. -doug ================================= Douglas E. Powell Regulatory Compliance Engineer Advanced Energy Industries, Inc. 1625 Sharp Point Dr. Ft. Collins, Co 80525 mailto:[email protected] www.advanced-energy.com ================================= -----Original Message----- From: [email protected] [mailto:[email protected]] Sent: Thursday, January 18, 2001 4:36 AM To: Veit, Andy Cc: [email protected] Subject: Re: UL 3111-1 vs. UL 3101-1 Andy I use these two standards on a daily bases and you are right, they are pretty much identical. Yet to find a difference. UL3101-1 Electrical Equipment for Laboratory Use - General Requirements UL3111-1 Electrical Measuring and Test Equipment - General Requirements. UL3111-1 is the UL version of IEC1010 when it comes to electrical test equipment, e.g. a DVM. Do not ask me why UL in it's infinite wisdom thought they needed two identical standards Probably to make you two inspection fees on two Files. !!! "Veit, Andy" wrote: > Folks- > Can someone give the scope of UL 3111-1? Or tell me how is it's scope > differs from UL 3101-1? > I have a copy of UL 3101-1, and it appears that it is very similar to IEC > 1010-1, but I don't have a copy of UL 3111-1 (yet!). > I read a message in the IEEE-PSTC archive where someone said that UL created > the standards 3111-1 and 3101-1 from IEC 1010-1, but there were no further > details about how the standards differ. > > Thank you- > -Andy Veit > > Andrew Veit > Systems Design Engineer > MTS Systems Corp > Ph: 919.677.2507 > Fax: 919.677.2480 > 1001 Sheldon Drive > Cary, NC 27513 > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > To cancel your subscription, send mail to: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Jim Bacher: [email protected] > Michael Garretson: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] -- Andrew Carson - Product Safety Engineer Xyratex Engineering Laboratory Tele 023 92496855 Fax 023 92496014 ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected] ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected]
