From: gtaylor@tnetconsulting.net   
      
   On 1/26/20 6:22 PM, gfretwell@aol.com wrote:   
   > In accepted nomenclature if the big number is first, it is 3 phase,   
   > if the small number is first it is single phase.   
      
   Okay.  That makes quite a bit of sense.   
      
   > 240/208 is 3p wye   
      
   Um, That doesn't make sense to me.   
      
   > 240/120 is 3p delta (center tapped)   
      
   I don't know how to unpack that.  (I don't know as much about ∆ as I do   
   about Y.)   
      
   > 120/240 is single phase.   
      
   That makes a lot of sense to me and what I'm accustom to hearing.   
      
   >   I also assume the "?" that is showing up is just the way a news   
   > client is rendering the "root" symbol.   
      
   Probably.   
      
   > The ratio of L/N to L/L voltages on 3p wye are a function of the   
   > square root of 3.   
      
   That's different than I remember.  But I could be misremembering or had   
   the wrong understanding at the time.  I'll refresh myself and reply later.   
      
      
      
   --   
   Grant. . . .   
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