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There is a lot of info on sizing a circuit breaker per amperage. It seems the consensus is that the breaker amperage rating should be about 1.25 times the conductor sizing. But I can’t find anything telling me where the voltage rating of circuit breakers comes in. Also, there don’t seem to be a...

I've been loving learning about off-grid PV system design, haven't been this interested in a hobby in a long time! The goal of this system is to learn about electrical systems and to hopefully have a functioning source of power to run a refrigerator/freezer in the case of an extended grid power...

So I have been watching lot's of Will's videos and they are super helpful to a beginner like me. I also found a site called PVeducation.com which did a good job of spelling out the process of sizing your PV and batteries. I attached the image below of my calculations. I am a complete beginner so...