Alabama Top-of_Pole 2.4kW

Various photos of a TALL top of pole mount solar array under construction
  1. z birds eye
  2. z ready to pour
  3. z everBug S N 
This is the serial number of the panel that has the bug inbedded into it from the factory
  4. z flatbug Nov 2010 rev A 
One panel has a fly inbedded from the factory.
  5. The "Don't be an Idiot" sign is made for me especially-- This modified NEMA 4 box is located such that when the cover is opened it is possible to...
  6. The current carrying conductors and a #4 ground are routed through a single flexible metal conduit between the movable and stationary parts of the...
  7. conduit bends
  8. Conduit bends look easier than they are.  The 3/4 schedule 80 on the left is an AC circuit for yard lights.   The middle (one inch) schedule 80...
  9. This NEMA 4 Box is on the boom.  There are two ground wires from the array frames and cross beams, one from the boom, one from the actual earth...
  10. This is the (proposed) completed tie-up job on the back of the array.  The power carrying conductors and the #6 ground are visible.  Note there are...
  11. Here is a close-up of a couple of loops.
  12. z snow covered solar 
Snow on the solar hot water panels on the right is slowly slinking off but won't fully slide off due to a "snow jam" at the...
  13. Grounding top-of-pole mounted arrays takes lots of hardware and lots of time using 2009 technology.  Each fastener required individual attention and...
  14. Securing PV wires for a 20 or 30 or 40 year time frame leads for much time for thought.  Here we followed Mr. Wiles advice closely with EDPM covered...
  15. Rebar and mast.  This concrete structure will be 8 X 10 X 2 feet with a 2 foot diameter rebar reinforced collar to support the 19 foot steel 10 inch...
  16. grounding in progress 
Each cross member must be grounded 
Bare Copper must not touch bare aluminum. 
Will use loop clamps to support wire
  17. Interconnect under construction 
Ground wire from inverter to ground rod not installed yet
  18. NAS array 11 29 2010 
Mast is 10" Schedule 40 structural steel 
12 Evergreen ES205 panels
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