Many thanks for all advice from responders. I believe the products are actually constructed as class II apparatus but with additional earth wire in mains cord. I attempt to check with the suppliers/test houses for their contentions.
Scott > On 21 Feb, 2015, at 9:30 pm, John Woodgate <j...@jmwa.demon.co.uk> wrote: > > In message <adfb19ef-0a25-4aa1-8ec1-fb1528ff7...@gmail.com>, dated Sat, 21 > Feb 2015, Scott Xe <scott...@gmail.com> writes: > >> It seems the class I is determined by the mains connection to the mains cord >> otherwise I cannot consider how the product is classified as class I. > > As I wrote before, the Class is determined by the protection requirements, > not by the type of mains connector. > > Look at Clause 8.5 of IEC/EN 60065: > > CLASS I apparatus shall be provided with a PROTECTIVE EARTHING TERMINAL or > contact to which the protective earthing contacts of socket-outlets, if any, > and ACCESSIBLE conductive parts shall be reliably connected. > > No test house is allowed to ignore this requirement. See also 15.2. > > I'm not sure how much more evidence you need that the test report is mistaken. > -- > OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk > When I turn my back on the sun, it's to look for a rainbow > 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 > <emc-p...@ieee.org> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org> > Mike Cantwell <mcantw...@ieee.org> > > For policy questions, send mail to: > Jim Bacher: <j.bac...@ieee.org> > David Heald: <dhe...@gmail.com> - ---------------------------------------------------------------- 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 <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
