From: arl_123234@hotmail.com   
      
   Hello, all.  I was in Cedar Rapids, IA recently (I don't reside there)   
   traveling along Rt. 100 (Collins Rd) in northeast of downtown.  I   
   noticed utility poles with a single cross arm accommodating 4 medium   
   voltage (MV) line wires.  This clearly wasn't the usual 3-phase MV   
   distribution with 3 wires on the cross arm with the neutral attached to   
   the pole below the cross arm.  I later examined Google satellite images   
   along this part of Collins Rd and it appears one of the 4 wires may be   
   the neutral (not the same insulator as the other 3 wires but on some   
   poles they were the same) but no indication if it's earthed at regular   
   intervals.  If any of you folks have further info it would be   
   appreciated and instructive.  Just never saw this arrangement before.   
   Sincerely,   
      
   --   
   J. B. Wood	            e-mail: arl_123234@hotmail.com   
      
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