[RE-wrenches] Long MC Cable Mid String

David Palumbo dave at independentpowerllc.com
Tue Apr 21 15:19:08 PDT 2009


Does the following series string wiring cause a problem? With  (18)
Evergreen ES-A 205's (low voltage modules 18.4Vmp) in series feeding a grid
tie inverter with a long series connector in the middle of the string.  (2)
Top Of Pole 9 module mounts with the series connection from module #8 on the
first pole to module #9 on the second pole. This MC cable connection would
be, about, 36 feet in length to go 10' down the pole below grade 18" for 13'
and back up the second pole 10' (in conduit all the way) .

 

Will this extra long series wire cause problems?

 

I could use other modules of course but that would raise the cost per watt
by 70 cents.

 

Dave

 

David Palumbo, President

Independent Power LLC

462 Solar Way Drive

Hyde Park, VT 05655

NABCEP Certified

www.independentpowerllc.com 

 

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