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The original was posted on /r/electricians by /u/InfluenceRare on 2024-01-21 21:29:18+00:00.
I have a unique situation that I've never seen anywhere ever. I'm living in a 5th wheel camper and propane is expensive and inefficient and the factory 30 amp service isn't enough to meet my needs. I want to ditch all the propane except a wall heater to use in power outages, keep the 120vac/12vdc factory system and put a 100 amp panel where the propane bottles were and lug it into the meter panel. I have my panel installed, I have my ground rod drove into the ground right below it but my problem is that when I hook my wire from the ground/neutral bus in the panel, there's continuity from ground to the RV chassis whenever the RV 30 amp is plugged in. My panel has a bonding screw that you drive in to bond the ground and neutral. I'm coming from a tiny house that I did all the wiring in from the meter to the last outlet but when you throw something in the mix that already has a separate panel as well as a 12 volt inverter, it could potentially be a different ballgame. The grounds on getting the 100 amp panel in and working and making sure my new panel is 100% separate from the factory electrical is already confusing the hell out of me. Anyone have any suggestions or advice? I can't possibly be the only person in the universe who's used a factory rv electrical system AND added a residential panel to give them extra power. To be clear, NONE of the factory wiring will be going to or from the residential panel. I just want a bigger water heater, small electric stove, apartment size dryer and 220 electric heater. A 100 amp panel with proper breakers and branch circuit wire sizes should be more than enough to safely do this. The RV is permanently placed.