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.   
      
   I ran across something while reading ANSI C84.1 Electrical Power Systems   
   and Equipment — Voltage Ratings (60 Hertz).   
      
   Table 1 note d has the following to say about 208Y/120:   
      
   (d) A modification of this three-phase, four-wire system is available as   
   a 120/208Y-volt service for single-phase, three-wire, open-wye applications.   
      
   I think that exactly describes some of the cabinet distribution units   
   (power strips) at my office; two hots (lines) and ground, for a 208 volt   
   single-phase + ground power feed.   
      
   In hindsight, it sort of makes sense that the small number is first,   
   thus indicating single phase, seeing as how it really is feeding a   
   single phase to the equipment.   
      
      
      
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