In message <201048ea81ba0745aca78e4cc8839001046de...@desmdswms201.des.grplnk.net>, dated Wed, 18 Mar 2009, "Haynes, Tim (SELEX GALILEO, UK)" <[email protected]> writes:
>I ask myself, why have all the manufacturers of my UK inverters gone to >the trouble and (minor) expense of fitting an external earth stud and >giving instructions to connect this stud to the car chassis? It is >certainly not aesthetics! Because the IET has, and always had, an 'earth fetish', and it rubs off on test-houses and others. I remember the agony about the acceptance of 'double-insulated' products in UK. Do you know about 'Class 0-1' products? This class was a double-insulated product with an ADDED earth connection. That's THREE safeguards in Hazard-Based terms. Until 2002, when the class was abolished, they were treated like 'Class 0' (basic insulation only) products, and not allowed except in 'special areas'! -- 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]>
