John, Thanks for your further advice. I have to review the definition of Class I products.
Regards, Scott On 27/7/13 3:29 PM, "John Woodgate" <[email protected]> wrote: > In message <ce1981e3.1bc20%[email protected]>, dated Sat, 27 Jul 2013, > Scott Xe <[email protected]> writes: > >> f the product comes with a power cord (most of current product do), >> there should be no "This product must be earthed" and "Double Square >> Symbol". It leaves to the USB socket part that complies with EN >> 60950-1 that requires double square symbol for class II products. Is >> the double square symbol required due to USB sockets part? >> > No standard allows the double-square symbol to be applied to a Class I > product. Class I products can, and very often do, have parts that are > insulated to Class II requirements. - ---------------------------------------------------------------- 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.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://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]>
