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That seems oxymoronic.

Hello, Seems to be two mppsolar sites. One Taiwan, the other Hong Kong. Interesting. Mark

You might check out this thread: https://diysolarforum.com/threads/array-grounding-and-components-grounding.64787/#post-838667

Hello, On page 6 of the user manual for "Line Modes Specifications" it has this: Does the inverter have an internal, user accessible, circuit breaker?

Thanks for all the replies. I was leaning towards disconnect switches and fuses.

OK, it seems if the breakers are assembled as a unit, not two separate devices, it is "acceptable". Good to know. Anyone recommend a 48 VDC 600 amp circuit breaker, din rail or flush mount, UL approved?

That is not the case. I was looking for laws regarding SOLAR. Like ground mounts must be made of pine or all external metal must be galvanized. Actual laws/regulations for the state. I started this discussion (hijacked thread) because you wrote "In Texas off grid is legal without permit up...

Right that was not it. I am trying to locate any law/rule/regulation related to solar for the state of Texas. Can you point to one state law regarding solar? So far solar is only mentioned as regards to HOA limits, as far as I can find.

oops, tried to delete, no joy.

OK, how does plumbing apply to solar?

How does that increase trip current level?

Hello, This site/page: https://watts247.com/product/dc-breaker-4p-125a-battery-disconnect/ states the pols (up to 4) can be wired in parallel to get a higher current breaker. Not being an EE, but around here and there. I always thought it was not possible to parallel breakers or fuses to get a...

I do not know that to be true. Please point me to one link/reference/statute/etc. to support the assertion.

Assuming such a department exist.

I looked some time ago and all I could find for the "State", specifically said NEC requirements are delegated to "municipalities" and new NEC codes were automatically adopted, when released, every two years. Perhaps I read it wrong. Or other sources exist I could not find.

In Texas...not so sure. I live way out in the country, no city, town or municipality has jurisdiction. Can you provide a link to the relevant "permit" statue that applies to Texas. Thanks.

Yeah one is two pole the other three. I need 200 amp.

I have been looking at this one: https://www.homedepot.com/p/GE-200-Amp-240-Volt-Non-Fused-Emergency-Power-Transfer-Switch-TC10324R/100150463

Thanks.

Thanks. What about surge suppressors mounted at the solar panel array(s). Should the ground connection be to a rod in the ground or a connection to the "existing ground system"?

Thanks rhino and Lt. Dan.

Call me uneducated. If the EG4 battery has a circuit breaker on the battery, why add a fuse inline?

Thanks for the response. The inverter will be mounted on a wooden frame so I can get some sheet metal and put over the frame where the inverter attaches.

Hello, Planning where and how to mount the inverter. User manual page 11 "Mounting the Inverter", first bullet, "Do not mount the inverter on flammable materials." I have seen many pictures of folks mounting the inverter on walls made of wood. Should I put some material under the mounting...