I read in !emc-pstc that Gregg Kervill <[email protected]> wrote (in <002b01c25428$4985b680$7100a8c0@MENHADEN>) about 'electric strength test' on Wed, 4 Sep 2002:
>This would suggest that it would be better to >double/reinforce insulate the mains against >earth, in which case SELV could be earthed. >Insulation is good and can (if one is careful not to compromise its >integrity - e.g. a detached wire/connector, reduced insulation) simplify >the equipment construction. You almost re-invented PELV - Protected Extra-Low Voltage, IMHO a much more sensible concept than 'true SELV'. PELV is double-insulated from hazardous voltages, and earthed as well. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk Interested in professional sound reinforcement and distribution? Then go to http://www.isce.org.uk PLEASE do NOT copy news posts to me by E-MAIL! ------------------------------------------- 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: Ron Pickard: [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: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
