Dear Charlie, Thanks for the useful information! I really discover such sign is commonly on MWOs, induction cookers, sandwich makers, etc. The document contains greater detail about this sign.
Best regards, Scott On Thu, 27 May 2021 at 03:19, Charlie Blackham <char...@sulisconsultants.com> wrote: > Scott > > > > I’ve not read it (44 pages) but EU LVD market enforcement did a report > “Non-functional > Hot Surfaces Project” > > > > https://ec.europa.eu/docsroom/documents/5263/attachments/1/translations > > > > Some standards, such as EN 60335-2-9 (Household and similar electrical > appliances - Safety - Part 2-9: Particular requirements for grills, > toasters and similar portable cooking appliances) have different limits if > equipment is labelled > > > > The ISO symbol IEC 60417 - 5041, Caution, hot surface (iso.org) > <https://www.iso.org/obp/ui#iec:grs:60417:5041>, is often referred to, > but I’m not aware that colours or contrast is mandated > > > > Best regards > > Charlie > > > > *Charlie Blackham* > > *Sulis Consultants Ltd* > > *Tel: +44 (0)7946 624317* > > *Web: https://sulisconsultants.com/ <https://sulisconsultants.com/> * > > Registered in England and Wales, number 05466247 > > > > *From:* Brian Kunde <bkundew...@gmail.com> > *Sent:* 26 May 2021 18:08 > *To:* EMC-PSTC@LISTSERV.IEEE.ORG > *Subject:* Re: [PSES] Hot surface sign > > > > Usually, high-temperature surface warning symbols are only required if the > hazard is not obvious. So in ovens, stovetops, griddles, toasters, > heat-sinks, etc. do not require them. > > > > However, if such appliances or device have areas that are hot but it is > not obvious it is hot, a warning symbol might be required. > > > > At home, I have a 2-slice toaster. It is a "Cool Touch" toaster that has > no hot exposed surfaces, except from the small surface between the two > slots on the top. So the manufacturer engraved the symbol on the metal > surface. Not a bad idea. But back in the day, the sides of a toaster got > really hot; hot enough to melt the Wonder Bread bag. As a kid, I think > every toaster I ever saw had a Wonder Bread bag melted on the side. > > > > The Other Brian > > > > On Wed, May 26, 2021 at 10:04 AM Scott Xe <scott...@gmail.com> wrote: > > In some cooking appliances, there are some hot surfaces that may cause > burn injury and safety standards suggest putting a hot surface sign to > alert the users. > > - Is there any specific colour requirement? Common practice is black > colour on yellow background or white colour on black background. > - Is an embossed sign black on black considered as a legible sign in > EU criteria perspective? > - In case of ink-printed label, is it put on the top of the hot > surface or next to the hot surface? If on the top of surface, the colours > are protected from heat degradation and specialized adhesives should be > used to withstand higher temperatures. Is there any test criteria for > verification? > > Thanks and regards, > > > > Scott > > - > ---------------------------------------------------------------- > > 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) <http://www.ieee-pses.org/list.html> > 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) <http://www.ieee-pses.org/list.html> > 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) <http://www.ieee-pses.org/list.html> > 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>
