XPost: sci.electronics.design, sci.electronics.equipment, sci.el   
   ctronics.repair   
   XPost: rec.crafts.metalworking, rec.woodworking   
   From: invalid@invalid.invalid   
      
   Spehro Pefhany wrote:   
   > On Tue, 11 Feb 2014 13:07:35 -0800, Joerg    
   > wrote:   
   >   
   >> Oops, if yours is not an "electronic transformer" disregard the above.   
   >> But then it's not really buck/boost.   
   >   
   > Buck-boost in this context refers to an electrical transformer that   
   > has the primary attached across the mains, and the secondary either   
   > boosts or bucks the mains voltage depending on whether it's connected   
   > in phase or out of phase. It has an advantage over (say) a 240:208   
   > tranformer in that the core size can be much smaller.   
   >   
      
   Thanks, never heard that. But that'll be easy, the primary has thin wire   
   and the secondary thick. One could just hook up the primary (even if   
   just to 120VAC for a test) and then connect up the others to see in   
   which direction it'll push the voltage.   
      
   --   
   Regards, Joerg   
      
   http://www.analogconsultants.com/   
      
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