Re: [PSES] 62368-1 Section 6.4.8 Flammability Confusion

2020-05-06 Thread John Woodgate
This is the sort of thing that can easily happen in a huge document. It is extremely difficult, especially where there is a chain of forward and back cross references, and text pushed off from its primary context to multiple annexes, to ensure internal consistency. Best wishes John Woodgate

Re: [PSES] 62368-1 Section 6.4.8 Flammability Confusion

2020-05-06 Thread John E Allen
IMHO & TBH. I encountered such inconsistencies in IEC standards too many times - which was why I "dissected" several standards (notably 60950, 60204 and 61010-1), rigourously followed the various cross-references, and then documented and worded them in a form that would allow your ("average" in

Re: [PSES] 62368-1 Section 6.4.8 Flammability Confusion

2020-05-06 Thread Scott Aldous
Hi Carl, The 2 tests have different purposes, as explained in the -2 rationale doc. I think it's difficult to definitively state that either the S.1 test or the S.2 test is more stringent than the other. Note that the pass/fail criteria are different for the 2 tests, with only S.2 requiring that

Re: [PSES] 62368-1 Section 6.4.8 Flammability Confusion

2020-05-06 Thread John Woodgate
Can you please share the format of your 'document and worded' exercise? I might be able to get at lease a small part of IEC interested in it. Best wishes John Woodgate OOO-Own Opinions Only www.woodjohn.uk Rayleigh, Essex UK MAY THE VIRUS NOT BE WITH YOU On 2020-05-06 20:40, John E Allen

Re: [PSES] 62368-1 Section 6.4.8 Flammability Confusion

2020-05-06 Thread Boštjan Glavič
As mentioned by Carl, V-0 is more stringent requirement than V-1. Where is confusion? Best regards, Boštjan From: John Woodgate Sent: Thursday, May 7, 2020 12:06 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] 62368-1 Section 6.4.8 Flammability Confusion Can you please share the

[PSES] 62368-1 Section 6.4.8 Flammability Confusion

2020-05-06 Thread Carl Newton
I'm wondering if any list members can explain the rationale behind 62368-1,  in sections 6.4.8.2.2 and 6.8.8.4.  I'm looking at the 2014 edition. Clause 6.4.6,  Control of fire spread in a PS3 circuit, states that, "/Fire spread in PS3 circuits shall be controlled by applying all of the

Re: [PSES] Anybody particularly adept at TESEQ Compliance5 Software?

2020-05-06 Thread Michael Cantwell
This reply is a test by one of the list admins. Regards, Mike > On May 5, 2020, at 3:55 PM, Mike Violette, P.E. wrote: > > > Michael Violette, P.E. > Director > American Certification Body > mi...@wll.com > +1 240-401-1388 > > > > - >