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  • Need help with reviewing my installation

    Hi All, I've recently setup a residential solar system in a remote off grid location and need help reviewing my final installation plan. I have some of the wiring done but some of the connections are still temporary until I can get a better idea of what I'm doing. I don't trust local...
  • Wiring for safety - can I overlap cables?

    Hi All, I'm a newbie who recently installed a 48v solar setup with 3.3kw array and 6kw inverter. I am finally ready to go ahead with the AC installation in the house but I'm wondering if it's safe to overlap cables like positive, negative and earth. Any recommendations are highly appreciated...
  • Grounding question - how to connect ECG from panels to Growatt inverter

    Hi, I found this video on another post where Mike Holt explains that you should use one common grounding point for the whole system rather than using multiple rods. In practice, how would you connect the PV EGC to the inverter? I have a Growatt SPF 6000 DVM MVP and there are only two entries...
  • DC breaker wiring - weird diagram

    Hi All, I'm scratching my head trying to figure out how this 20a DC breaker is wired from the diagram on the unit. It's a Suntree SL7-63 rated for 800vdc. I'm a beginner so was expecting the supply to go in at the top and the load to come out from the bottom but this doesn't look that straight...
  • Earthing and surge suppression in high risk zone

    Hi All, I have a 3.3kw array split into 3 x 1.1kw series in parallel which then tie into a surge suppressor which is connected to a physical earth pit a few feet away on a 6 gauge copper cable. The live cable runs 120ft to a 50 amp breaker and then to the inverter which is connected to another...
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