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Justin C Lee's avatar

Hey Mike,

Love your content. I own a business called www.portlandrvsolar.com and I am a licensed solar electrician in Oregon. I install solar on homes and now rvs. I've been working with some local rv installers and some distributors and this doesn't seem to be a topic that is addressed enough especially with all these new solar battery generators. There are also alot of diyers that don't quite understand this issue as well.

Seems like the neutral to ground plug would work to fix the issue of a floating neutral battery generator as then there is a pathway for the fault current and be able to trip any breakers that are associated with it. Anyways thanks for all this information. I hope people are safe, but I am afraid with all these diyers putting in systems that more accidents will happen. As a business I am doing my due diligence and installing systems that are electrically sound, but I am unsure if others in the industry are not...

Here is what I heard from one local off grid distributor is that they don't recommend grounding inverters to the chassis... cause its causes too many issues on GFCI's. Which I replied that means your system isn't working properly then... their liability I guess, but very concerning that people without electrical training are recommending certain products and installation methods that are not sound electrically.

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Randy Shrimplin's avatar

2- 4500's in Parallell? One 4500 should run 2- AC units. And easily run them if Soft Starts are added. This scenario could overload your 50 amp Neutral unless the setup is providing true 240V output.

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