Here is Jarred (Dave son), getting ready to place the combiner box and wire all the panels together. He also added grounding lugs to each of the rails and grounded it to the combiner box. There are three fuses in the combiner box with each string(row of panels) wired to each of the fuses. All the power is still D/C and combines all the strings to one single power line that runs down the side of the house into the D/C disconnect and in to the sunnyboy. The wires that are used to connect the panels to the combiner box are 10 gauge outdoor rated. There are wire clips that can be attached to the underside of the panels that hold the wires off the roof if needed. The wires have a male (+) side and Female (-)side that are easily connected and water tight.
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