I read in !emc-pstc that Peter Merguerian <pmerguer...@itl.co.il> wrote (in <2D1037012914D4118DB8204C4F4F50203DD9CC@ITLLTD01>) about 'electric strength test' on Thu, 22 Aug 2002: >You may come across some distributors in Norway asking for DI or RI >between PRI-EARTH, even for Class 1 power supplies.
That's because Norway uses the 'IT' power distribution system, where neither mains conductor is earthed directly, but one is earthed through a quite high impedance to prevent common-mode charge build-up. -- 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: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: emc-p...@hypercom.com Dave Heald: davehe...@attbi.com 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: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
