I read in !emc-pstc that Kevin Richardson <kevin.richard...@ieee.org> wrote (in <nebbihdflagbliikmlbkgeabdnaa.kevin.richard...@ieee.org>) about 'Surge Protection & EN 60439-1' on Tue, 3 Dec 2002: >Can anyone please advise if EN 60439-1 allows the practice of placing a >surge protection device (eg an MOV) across the mains input (active to earth) >is accepted. >The MOV would probably be set at something like 420 vAC or RMS so probably >about 600 peak.
Whether it does or not, DON'T DO IT! It's now considered dangerous. There is alleged to be an exemption for hard-wired equipment (not plug- in) with tow separate earth paths back to the fusebox (which a British ring-main does automatically, but not a spur), but I've not seen any official text yet. -- 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"