From: pallison49@gmail.com   
      
   amdx wrote:   
      
   -----------   
   > Is it reasonable/possible to build an 8 amp 20 V transformerless power   
   > supply from a 120Vac line.   
   >   I calculate about 180uf plus or minus depending on other components.   
   >   Maybe 9- 20uf caps in parallel?   
   >   I'd like to build it into a leaf blower.   
   >   All plastic, absolutely no metal exposed.   
   >   
      
      
   ** With a low resistance load, the inrush surge from a 180uF cap would trip   
   the breaker.   
      
   SMPS have resistors or NTC thermistors in series with the AC supply stop this.   
      
   .....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)