The Off Grid Project ™ Batteries And Fuses Explained

There has been a lot of discussion about the tiny house solar battery bank wiring and fuses. So I took a few minutes to explain how I wired up the tiny house solar power and some of the future plans and changes.

I have a thicker 6 gauge wire connected to the positive wire of my tiny home solar battery bank and running to a fuse block. Currently the fuse block has two 80 amp fuses which are too large. I plan to drop these down to 60 amps. The 6 gauge wire is rated for about 73 amps so this should work out fine.

There seems to be some concern also about water dripping down onto the wires. The drain pipe extends under the kitchen counter from one end to the other. But what you cannot see on camera is that it is close to the wall. There is a space between the battery bank and the drain pipe. So even if there was a water leak, it would fall onto the floor next to the batteries and not onto the solar battery bank.

The wires that I tied onto the drain pipe are exterior grade wires so they can handle the weather, meaning rain and moisture. They are coated in plastic on top of the insulation to protect them from the elements. All connections to the fuse block and power distribution block are above the drain pipe. So if there was ever a leak, then water would simply run off onto the floor.

I will move my inverter though because it is only temporarily sitting on the floor under the water drain pipe. This will not be staying there.

From the main fuse block I have another fuse block which is the distribution block for my tiny house on wheels. This fuse block will lead off into each individual wire in the tiny house.

I have a common negative terminal strip coming from the battery bank where all my negative wires connect to. This is also high up and above any water lines.

Soon I will get my new forklift battery bank for my tiny house solar power and I will run the batteries outside in an insulated box of their own. My main power lines will then go outside the tiny house to the battery bank.

This will free up the storage under the tiny home kitchen counter for other things such as food, pits and pans.

Follow my daily progress on the path to self sufficiency on my off grid solar homestead.
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