From: moroney@world.std.spaamtrap.com   
      
   In Philadelphia, the electrical distribution system has many   
   configurations similar to these:   
      
   https://goo.gl/maps/CFTdNYGoY9F2   
   https://goo.gl/maps/v9BmSQwtUWF2   
      
   Two transformer cans on a pole. Notice the small lower one doesn't have   
   any MV connections or even any MV bushings.  The two cans appear to be   
   connected as the second link shows.  Sometimes the small can appears by   
   itself on poles with no MV wiring whatsoever.   
      
   https://goo.gl/maps/nfYPmaNk4242   
      
   The small cans appear to have four lugs (and no MV bushings).  Does anyone   
   know what they are and what their purpose is? These are densely populated   
   urban residential areas mostly with smaller commercial businesses.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)