From: no@spam.com   
      
   On Thu, 02 May 2013 00:48:23 +0100, Rheilly Phoull    
   wrote:   
      
   > On 02/05/13 05:46, Major Scott wrote:   
   >> On Wed, 01 May 2013 22:38:58 +0100, Ian Field   
   >>  wrote:   
   >>   
   >>>   
   >>>   
   >>> "Major Scott"  wrote in message   
   >>> news:op.wwevayr22eh2io@red.lan...   
   >>>> On Wed, 01 May 2013 15:59:33 +0100, David Moorman   
   >>>>    
   >>>> wrote:   
   >>>>   
   >>>>> In article , "Major Scott"    
   >>>>> wrote:   
   >>>>>   
      
   >>>>>   
   >>>>> Something is effed up.   
   >>>>   
   >>>> It works though.   
   >>>>   
   >>>> I've had a similar voltage out of the composite output of a VCR.  That's   
   >>>> the trouble with these double insulated things that aren't earthed.   
   >>>   
   >>> Any double insulated SMPSU has filter caps from each mains pole to the   
   >>> equipment 'ground' - they form a capacitive voltage divider (Xc + Xc).   
   >>   
   >> That sounds rather strange to me.  Especially where delicate electronics   
   >> are involved.  Imagine I connected the USB hard disk, while it was   
   >> powered up, to the computer, and the USB plug's grounded chassis managed   
   >> to touch one of the signal contacts.   
   >>   
   > Could be time to try another PSU ??   
      
   If Ian is correct it won't help.  I'd have to find one in my huge box of them   
   with the right output then change the plug.  I'll just be careful with it.   
      
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