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Following Will's 400W DIY Solar using only 200W solar for now. RV Current Setup: 2x100W Renogy Solar panels, 10AWG Solar wire, 25A C/B (+), 10AWG Solar wire, 40A MPPT SCC, 6AWG Wire, 50A C/B (+), 6AWG Wire to Trojan 105 6v 225A wired in series. BMS Shunt. Onan 4000W Generator also connected to...

The 120A breaker is courtesy of Forest River. I was quoting what they "engineered". It's a rat's nest on the frame., so it's possible there is another breaker inline too. Scary nonetheless. Thank you for your thoughtful responses.

I'd like to increase the 120A breaker to handle more of the 4000W Generator. The pos/neg wires seem under-sized; maybe they are marine-rated since they seem somewhat flexible. We use the generator sparingly for occasional microwave use, hair dryer, to charge electronics and A/C. We do charge...

I am wondering if the Blue Sea dual MRBF can be used as just a battery post extender/adapter without fuses? This is for an RV with 2 6v in series batteries. I have already planned to use a class T fuse for my inverter load. Thanks so much for input.

Thank you chrisski. I'm just looking to tidy up the terminals because I'm keeping the generator wire out of the inverter circuit (which will have the Class T close to the batteries). I do have the MRBF fuses for both. I think it is redundant when my goal is a tidy positive battery post.

I did indeed miss this piece. The 120A CB for the generator positive is only for starting the generator. There is a WFCO Converter. 40A SCC has the "cheap" 50A CB. The PV are not mounted to the RV. There is a manual disconnect on the outside. The PV positive has a CB to the SCC. Thank you for...