In surge testing a product to 61000-4-5, we had a failure that could not be explained. So, we investigated and found that during a 2kv surge line-PE, we were seeing about 1.6kv line-neutral. The spec only requires 1kv line-neutral, and 2kv line-PE and neutral-PE. But when we surge line-PE we get much higher than the required 1kv line-neutral. I emailed the manufacturer of the surge equipment, and was told this is "completely normal". Has anyone else observed this kind of behaviour from you surge equipment? Thanks in advance, Bob Richards, NCT. - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/
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