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I have an Outback FPR-4048 which I hope to commission before the end of the year. My basement space is VERY tight with low ceilings and little wall space. The output will be 60A distributed over 5 critical loads. I hope to double that over the years by adding more batteries and inverters --...

As I interpret the NEC 2020 specs, if my system has module-level rapid shutdown, the string combiner can be located anywhere I wish -- is that correct? i.e. it no longer needs to be within 10 feet of the array.

I recently purchased a complete "DIY" system from Northern Arizona Wind & Sun and the parts have (mostly) all come in. Now is the time for me to roll up the sleeves and begin the installation, starting with the basement in this antique barn I call home. While waiting on the parts to arrive, I...

1800s barn which has been converted back in the 1920s and 1960s to be a residence. I wish to bond my PV racks to the primary ground used at the 200A primary service panel. Given that this is an older home (where Harry Homeowner previously went wild), I'm not seeing a "traditional" place to...

So I'm new at this and not sure how best to set up some of the racking for a portion of my layout as shown in the attached graphic in yellow. Note that this is an old 1800s barn with a shingled roof -- there are no "traditional" rafters. Instead there are unevenly-spaced horizontal purlins to...

About to take the plunge on purchasing a "DIY" solar PV system from Northern Arizona Wind & Sun. This is the layout I gave their sales department for my particular situation. Other than a total price I haven't had much feedback from them on specific details. Note that these panels are being...

I am about to order a Midnite Solar MNPV6-250 combiner box with which I plan to combine two PV strings together. To this box I will also add a Midnite MSSPD-300-DC surge protector. Given that there are two breakers inside the box, it seems to me one would want to be able to have easy access the...

So I'm considering going with dual Phocos 5kW inverters set up as split phase for use as a UPS for now. But I don't quite fully understand their diagram. Wouldn't one need a neutral on the 240v side? (presumably they also left out the ground but i can live with that omission). Thoughts...