DIY - Home Solar - Partially getting off the Grid More Safely

I've updated my system by adding more components, this is to bring various parts of my house (mainly my home office) off the grid. I now have dual MPPT charge controllers, 2 new 200W (400W in series) panels. This will give me 670Watts total capability. I've also included more safety features such as equipment grounding, and better disconnect switches. Safety is critical when dealing with any type of electricity. I'll include a link to my new schematic diagram for any who wish to see a diagram of the component layout. Any questions or comments please feel free to leave a note or two. Other useful links; photovoltaics.sandia.gov photovoltaics.sandia.gov Link to schematic: dc415.4shared.com
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