In message <[email protected]>, dated Thu, 12 Jan 2006, "James, Chris" <[email protected]> writes >The table 8 values in the new standard do not appear to correlate with >the Fig 9 values of the previous standards. > > > >Fig 9 gave basic clearance as 3mm and reinforced as 6mm for nominal >240Vac whereas Table 8 seems to imply values half of that. > > > >What am I missing???
The requirements for creepage and clearance were radically reviewed, not by TC108 but by TC28, TC109 and TC64. The new numbers reflect the radical revision. See IEC 60664. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk 2006 is YMMVI- Your mileage may vary immoderately. John Woodgate - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
