On Mon, May 14, 2012 at 5:24 PM, Dave McGuire <mcguire at neurotica.com> wrote:
  On 05/14/2012 04:28 PM, David Riley wrote:
   I would
strongly recommend 'meggering' the transformer after giving it a
 preliminary clean-up. If you've got insualtion troubles, it may not be
 worth doing anything more with it.
 [Does the term 'megger' mean anything across the Pond? Over here it's a
 common term (actually a trade name that's become generic) for a
 high-voltage insulation tester] 
 Not a term that I've heard of. ?Sounds like swearing to my ears. :-) 
 
 ?Ahh, youngn's. ;) ?Meggers are everywhere. 
I've used a megger to test HV lines powering photomultiplier tubes.
Never used one with classic computer gear (yet).
-ethan