Hi Ryan:
UL makes some of its money through certifications. Regardless of product safety, components, including connectors, are certified; their required use in end-products justifies the requirement for certification of those components. So, this is one of those unwritten requirements. And, if they are not certified, you will put the demand back on your supplier, who will apply to UL (which will result in more certification business). For example, see https://www.ul.com/services/ul-taiwan-usb-test-lab This is for USB connectors and cable, and has little to do with safety (except for extended power range (EPR) in the USB PD specification). As far as I know, there is no requirement in IEC 62368-1, but there may be such requirement in UL 62368-1. As one respondent said, ask to see the requirement. Good luck! Rich From: Ryan Jazz <[email protected]> Sent: Thursday, April 6, 2023 11:09 AM To: [email protected] Subject: [PSES] Low Voltage connectors called out on CCL Hello Members, We have an audio amplifier being evaluated by a local NRTL to UL 62368-1 3rd Edition. The NRTL is calling out all the low voltage connectors on the rear panel on the Critical Components list. For example the XLR and TRS connectors. * Can someone please let me know where this requirement could be coming from? Traditionally only connectors associated with AC voltages have been called out on the CCL. The NRTL will not allow us to use these low voltage connectors if the part is not UL Recognized. Is there something in UL 62368-1 3rd Edition that requires UR for low voltage connectors? Appreciate any comments. Sincerely, Ryan Jazz Ryan Jayasinghe Regulatory Compliance Engineer [email protected] <mailto:[email protected]> "After silence, that which best expresses the inexpressible, is music" - Aldous Huxley LINE6 26580 Agoura Road Calabasas CA 91302 line6.com ampeg.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 <[email protected] <mailto:[email protected]> > All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html 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: Mike Cantwell <[email protected] <mailto:[email protected]> > For policy questions, send mail to: Jim Bacher <[email protected] <mailto:[email protected]> > David Heald <[email protected] <mailto:[email protected]> > _____ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC <https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1> &A=1 - ---------------------------------------------------------------- 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 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: Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]> _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1
