I am planning a small solar system for a 900 sq ft primitive cabin I am building. I'll use propane for cooking & small fridge and a small generator to pump water to a 75 gal water tank located in the attic So I basically will need lights for reading & cooking(i'll use oil lamps for general nighttime illumination), a laptop, and a small bedroom window fan for sleeping in the summer. My question is voltage. Can I just wire this cabin for 12 volts and not use an inverter if I use 12v lights, fan, & the laptop has a built-in inverter? The longest wire run for voltage drop will be 25 ft.
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