Rich, We have always preferred the AC test in manufacturing, as we felt it was a better test. However some technical issues, not safety related, have come up that caused one of the development teams to request investigating using the DC test for the routine manufacturing test.
Thanks, Gregory H. McClure Lexmark Product Safety 859 232 3240 office 859 232 6882 fax On Tue, Aug 4, 2015 at 2:09 PM, Richard Nute <ri...@ieee.org> wrote: > > > > > Hi Greg: > > > > > > The standard is incorrect in requiring tests of both polarity d.c. There > is no physical rationale for both polarities. But, at this time, if you > opt for d.c. testing, you must test with both polarities. I would advise > testing with a.c. to avoid capital expense of a new d.c. tester. > > > > > > Best regards, > > Rich > > > > > - ---------------------------------------------------------------- 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>