Re: [PSES] OV Cat for Medium Voltage

2014-03-05 Thread John Woodgate
In message , dated Wed, 5 Mar 2014, Doug Powell writes: This is mainly a curiosity question.   I have used overvoltage categories routinely for many years for LV products and now it seems to me that there must be something analogous to this on the MV side of a utility transformer. A Goog

[PSES] OV Cat for Medium Voltage

2014-03-05 Thread Doug Powell
All, This is mainly a curiosity question. I have used overvoltage categories routinely for many years for LV products and now it seems to me that there must be something analogous to this on the MV side of a utility transformer. Certainly I do not think the OV Cat Roman numeral system of 60664-1

Re: [PSES] Testing to EN/IEC 60601-1-2

2014-03-05 Thread Wiseman, Joshua E BIS
David, Some safety labs will rely on the EMC test house to verify the applicable Clause 5 requirements from an EMC aspect. This was something I saw at times when I was working at an NRTL. Josh From: itl-emc user group [mailto:itl...@itl.co.il] Sent: Tuesday, March 04, 2014 11:36 PM To: EMC-PS

Re: [PSES] Testing to EN/IEC 60601-1-2

2014-03-05 Thread Charlie Blackham
David Personally, I ask ( and expect) test labs to test whatever they're asked to test, but I ask them to do so against a specific test plan. Your client may well have good reason for partial testing...or they might be trying to do the base minimum they think they can get away with. If it's