Fine and valuable responses. Thank you. Can anyone respond to my question?
> Has anyone else encountered this sort of requirement? The CBTL either > could not or would not provide a written requirement, so this smells off. Peter Tarver Date sent: Fri, 26 Feb 2016 14:59:02 -0800 From: Peter Tarver <ptar...@enphaseenergy.com> > Howdy, howdy, howdy. > > Product incorporates Type 5 component VDRs and is installed in an OVC III > environment via field wiring connections. Evaluation for a CB Scheme > Certificate and Test Report. > > In recent dealings with a CBTL, I was told that the VDRs in a product > needed to be Type 2. In referencing UL 1449 (for convenience), a Type 2 > VDR has the assumption of fixed wiring for the VDR itself and mounting by > solder onto a board is not a consideration (except that a Type 2 VDR may > include a system of Type 4 and/or Type 5 VDRs and other components) . > > Per the CBTL, the Type 5 VDR certifications used may or may not be > suitable for the application, depending on the level of testing performed > on the VDR during its component evaluation, primarily associated with the > combination wave open-circuit voltage amplitude related to the OVC. > > I checked the CTL Decisions and OSM Decisions for 61010-1 for both the > third edition and fourth edition and found zero related decisions. The > CBTL was unmoved by my efforts, claiming this matter has been a long term > discussion in TC66 and imposed their will irrespective of a defined > requirement in the IEC. > > Likewise, the CBTL was unmoved by the testing performed by another > division of the mothership that applied 6 kVpk surge testing to the > complete product as a part of another evaluation to type. This may be > because the staff and intent of the testing was not under the > accreditation of the CBTL/NCB, but I'm not certain. > > In checking publicly available databases for components, the kind of > information needed to preselect an appropriate Type 5 VDR is not possible. > This ultimately boils down to evaluation of each Type 5 VDR by the CBTL > for each and every prospective alternate or substitute VDR. > > Has anyone else encountered this sort of requirement? The CBTL either > could not or would not provide a written requirement, so this smells off. > > > Regards, > > Peter L. Tarver > > - > ---------------------------------------------------------------- > 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> > - ---------------------------------------------------------------- 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>
