From: arl_123234@hotmail.com   
      
   On 3/21/19 9:13 AM, Michael Moroney wrote:   
      
   > I happened to get lucky when I took a look.   
   > https://goo.gl/maps/YGDgydgxbwu (Google Street View)   
   > On the pole to the right there are three lines at the top and a neutral at   
   > the pole's midpoint, the usual arrangement. To the right there are 4 lines   
   > on top. The neutral rises from midpoint to the top over the span.   
   >   
   > I have seen this before on older setups, including up the road from me.   
   >   
      
   Hello, and aha! I missed that one! Thanks for taking the time.  I have   
   seen in a number of instances in other locales utility poles with two   
   cross arms.  The upper cross arm has 4 wires and the lower one has 2   
   wires.  In this case I think it's two sets of 3-phase MV distributions.   
   I have also seen (mostly in dry desert regions of the U.S.) utility   
   poles with one cross arm hosting 3 wires and the obvious lack of a   
   neutral.  These runs usually cover many miles between loads with the   
   primaries of MV-LV distribution transformers at the load locations   
   connected line-to-line rather than the usual line-to-neutral.  If for   
   some reason a neutral is required at some location(s), grounding   
   transformers can be employed.  These areas are wide-open and dry most of   
   the time.  MV line faults to ground are probably rare.  Thanks again for   
   taking the time.   
      
   --   
   J. B. Wood	            e-mail: arl_123234@hotmail.com   
      
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