What I neglected to mention is, Even if a material is certified as V-0 (per UL 94), this alone is no longer accepted as proof of compliance for enclosures near PIS in China. The actual enclosure must pass the S.2 needle flame test as part of both initial certification and ongoing regulatory surveillance.
~Doug Douglas E Powell Founder & Principal Consultant Vertex Compliance Consulting <https://vertex.ppsstudios.com/> (VertexCC) Laporte, Colorado, USA LinkedIn <https://www.linkedin.com/in/realdougpowell/> Colorado Registered Business | Entity ID: 20191778678 (UTC-06:00, US-MDT) On Thu, May 1, 2025 at 11:21 AM Douglas Powell <[email protected]> wrote: > It would seem so, > > A recent notice (dated June 21, 2024) from the State Administration for > Market Regulation (SAMR) and relevant certification bodies in China states > that during the 2024 annual spot checks, a product with a V-0 rated > enclosure failed the S.2 needle flame test as required by GB 4943.1-2022 > Section 6.4.8.4 (the Chinese harmonized standard based on IEC/UL 62368-1). > > In response, from June 13, 2024, all new and change applications involving > fire protection enclosures (regardless of third-party V-0 certification) > must undergo direct S.2 needle flame test verification during > certification. This specifically applies when the enclosure’s isolation > distance from a Potential Ignition Source (PIS) does not meet standard > requirements and has not been otherwise verified by the S.2 method. > > Starting July 1, 2024, confirmation inspections for fire protection > enclosures during post-certification factory inspections and supervisory > sampling inspections (especially for C and D category factories) will > include the S.2 needle flame test. If the enclosure fails, the product will > be deemed non-compliant. > > *See:* https://cydxta.com/en/News/Details/724201533809364992 > > > ~Doug > > Douglas E Powell > Founder & Principal Consultant > Vertex Compliance Consulting <https://vertex.ppsstudios.com/> (VertexCC) > Laporte, Colorado, USA > LinkedIn <https://www.linkedin.com/in/realdougpowell/> > > Colorado Registered Business | Entity ID: 20191778678 > (UTC-06:00, US-MDT) > > > > On Thu, May 1, 2025 at 10:47 AM Willard, Bradley < > [email protected]> wrote: > >> Hello PSES members, >> >> I'm reaching out to see if other members are hearing about or are >> experiencing the following: >> >> >> - China's Regulatory Surveillance Body, CNCA, is pulling samples of >> ITE products constructed with V-0 flame rated enclosures from the >> production line and performing a 60 second needle flame test per Annex S.2 >> of the 62368 standard? >> >> >> Thank you in advance for your feedback. >> >> Best regards, >> Brad >> >> >> *Brad Willard* >> >> my pronouns: he/him/his >> >> Manager, Product Safety & Test >> >> Atlanta, GA >> >> Engineering Shared Services >> >> *ZEBRA TECHNOLOGIES CORPORATION* >> >> >> >> +1 678 462 7666 >> >> [email protected] >> >> www.zebra.com >> >> >> >> >> >> >> >> >> ------------------------------ >> - CONFIDENTIAL- >> >> This email and any files transmitted with it are confidential, and may >> also be legally privileged. If you are not the intended recipient, you may >> not review, use, copy, or distribute this message. If you receive this >> email in error, please notify the sender immediately by reply email and >> then delete this email. >> ------------------------------ >> >> 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: >> https://www.mail-archive.com/[email protected]/ >> >> Website: https://ewh.ieee.org/soc/pses/ >> Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to >> unsubscribe) <https://ewh.ieee.org/soc/pses/list.html> >> List rules: >> https://pses.ieee.org/wp-content/uploads/2024/12/EM-PSTC-List-Rules.pdf >> >> For help, send mail to the list administrators: >> Mike Sherman at: [email protected] >> Rick Linford at: [email protected] >> >> For policy questions, send mail to: >> Jim Bacher at: [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 >> > - ---------------------------------------------------------------- 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: https://www.mail-archive.com/[email protected]/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://pses.ieee.org/wp-content/uploads/2024/12/EM-PSTC-List-Rules.pdf For help, send mail to the list administrators: Mike Sherman at: [email protected] Rick Linford at: [email protected] For policy questions, send mail to: Jim Bacher: <[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
