Each frame has a small combiner box connecting the 4 panels with 12 gauge cable to a 10 gauge uplink to the master combiner box. The master combiner uplinks to the house with 6 gauge. See pics at http://ph.groups.yahoo.com/group/12VDC_Power/photos/browse/5156?c=
They bought a 40' shipping container to put belongings in while the house is being finished, so we put a temporary pv system on that as well for internal lighting.
We go back next weekend to fix the wind turbine and install some ground lines for the panels.