It looks like a mess of wires but the Solar Combiner Box is done..I will not win the electrical contractors beauty award for neatness in wiring, but the box is wired with good solid electrical connections and I"m happy with them...they will do the job. The photo on the far left shows the rats nest of Positive PV in, Positive PV out, Negative PV in and Negative PV out, plus the ground bus bar, the wired Lightning Arrestor. a small breaker, and the ground wire that will run to tie in to the DC Electrical Box in our cellar. The wiring is very straight forward. Negative wires go to the negative bus, positive go to the positive breaker and bus and there is a bus on the right for ground...it's like connecting the dots. The breaker and lightning arrestor are wired in for safety.
And, our trench is done. Wires are inside the conduit and it's all snaked from the Combiner box to just outside the cellar. I have to leave the 18" trench open until the Building Inspector swings by. Well see what he likes and dislikes soon.
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