When doing the volt drop calculation, be sure to correct for
temperature, per the note after table 8, chapter 9 of the NEC. The table
values default at 167 deg F (75 C). An underground cable will be
operating closer to earth temperature. When I run volt drop for a 4/0
copper cable at 60 deg
Hi Mac, There are a few questions like is it Al or Cu wire, What makes it
unusable?
for Voltage drop, I use Vd=2KIL/CMA for your case the unknown is the
current. The installation of an inverter with grid support. Many
inverters have this, you want a multimode inverter such as a Schneider,
Outbac
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