In message <A59E0E4F06B34F15BB3E3AA734C90083@ProductSafetyConsultingInc.local>, dated Thu, 3 Sep 2009, John Allen <[email protected]> writes:
>If we have a potted LED fixture that is supplied by a Class 2 power >supply, can it be rated IP68 based on design vs testing? Even if it is >not potted such that low voltage parts are accessible, can it be rated >IP68? The version of IEC60529 we have does not have a lower voltage >limit. The scope indicates for devices with a rated voltage not >exceeding 72.5kV. I don't think so. IP ratings are only about penetration of the enclosure, not about whether a product is safe or not. If stuff gets in, it's not IP68. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Things can always get better. But that's not the only option. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ 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]>

