John, Rich; Could either of you clarify why a double insulated SELV circuit can not be grounded? Is it a 60950 based or based on some other performance(?) based requirements?
thx, vgl In a message dated Tue, 13 Nov 2001 7:51:18 PM Eastern Standard Time, Rich Nute <[email protected]> writes: > Hi John: > .. > > > Well, perhaps I have made it clearer now. My beef with SELV is the ban > > on grounding, whereas PELV which is grounded AND double/reinforced > > insulated is clearly safer for systems extended in space. > > Agreed. In the products I deal with, this is our construction. > However, we do not test the capability of the ungrounded PELV > pole to carry fault current. > > > Best regards, > Rich > ------------------------------------------- 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: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] 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.

