I once informed an engineer he needed a hot surface label, because he exceeded the limit. After selecting an adhesive label, he asked how hot can it get if it's labeled. Tongue in cheek, I told him he could not melt or burn the label since it had to remain legible.
-Doug Douglas E Powell Laporte, Colorado USA doug...@gmail.com http://www.linkedin.com/in/dougp01 On Wed, May 26, 2021 at 1:19 PM 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> > -- Douglas E Powell doug...@gmail.com http://www.linkedin.com/in/dougp01 - ---------------------------------------------------------------- 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>
