Hello Kim Boll:
> I have been told that the UL marking on PCB (UR 94V-0 etc.) > can also be something like E4. Does anyone know if the > marking requirements have been changed and if so where I can > get more information. UL 796 specifies marking requirements for PCBs. Here is a quote from UL 796: "27.6 A printed-wiring board that is identified by an individual type designation for each different base material is not required to have an additional marking to identify its flammability rating." I believe this answers your question. If you need more information, I suggest you obtain a copy of UL 796. If you need to confirm or determine the flammability rating of a manufacturer's type designation, you will need to look it up in UL's Component Directory. Best regards, Rich - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] 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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
