Quote:
Originally Posted by bobbecky
Those are not 'isolation blocks', but are actually thermal auto reset breakers in the 12 volt circuit. Some are gray plastic like in your photo and some are like in this photo.
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Well that would explain why I couldn’t find them! How necessary are they? I have helped rewire 2 different 5th wheelers, one to add solar, one for a 6-6v setup with a 3000 watt pure sine inverter. Both of these stock setups used a normal distribution block(like the one above), but were inside the front storage area by the original battery locations.
I have a good cable lug crimper, so I thought of adding a catastrophic fuse right before a new “distribution” block.
I’ll have to look into these more. I assumed they were only on travel trailers due to the exposed wiring.