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when toggle format what by license comment
Feb 21, 2014 at 10:36 history migrated from video.stackexchange.com (revisions)
Dec 7, 2010 at 23:09 comment added Mark Henderson Most decent UPS's do power filtering by their very nature (by providing power from their batteries, not direct from the source)
Dec 7, 2010 at 20:57 history answered Corey CC BY-SA 2.5