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Small Cabin Forum / Off-Grid Living / Offgrid cabin wiring for 120v
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nymech
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# Posted: 3 Aug 2026 11:59am
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Hello all, I have an offgrid cabin that is not connected to the grid. I have both a generator and inverter for power. I have a 100amp square D box with no main breaker. Currently I have a 12/2 wire going to a 20amp plug that has a 10/3 wire running to a 30amp double breaker with a 10g wire to jump the double breaker to power up both sides. The generator has a floating neutral, not sure about the inverter. My current inverter is 750w, planning on installing a 1000w pure sine. The neutral and ground are bonded with a grounding rod for the box and the generator. I have read other forums of people doing the same. I was planning on installing a 10/2 wire to run from the solar shed to the box with the ability to connect either the inverter or generator by plug in the solar shed. Just wondering if there is a better way to set this up. Thank you.

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