I read in !emc-pstc that Gary McInturff <[email protected]> wrote (in <[email protected]>) about 'How do I do this test?' on Tue, 9 Dec 2003:
>There is another example of class I and class II insulations in >parallel that may be sitting on your desk at the moment. I've seen >electronic systems that had primary wiring from the AC input module that >was routed along grounded SELV circuits. I presume the same thing may >happen for non-grounded SELV circuits. (There are some EMC concerns with >this >construction as well). I wouldn't design like that and if I was assessing a product that had that construction, I'd strongly advise changing it. If you don't HAVE to provoke the gods, don't do it. -- 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.ieee-pses.org/ 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://www.ieeecommunities.org/emc-pstc

