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anybody familiar with solar panels like how to install and uninstall them

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  • loekanle
    Member
    • Aug 2011
    • 206

    anybody familiar with solar panels like how to install and uninstall them

    Im just curious about solar panels, like how do people hook them up to houses

    are they fairly simple like hooking something up to a car battery
  • #2
    glockman19
    Banned
    • Jun 2007
    • 10486

    There is usually a track attacked to the roof...pannels are attached by bracket to the rack...Pannels are connected easily...

    The tricky part of installing them is at the electrical box.

    I'd have no problem installing the pannels but would defer to an electrician to hook up my inverter and to the electrical main pannel, or battery backup.

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    • #3
      bodger
      Calguns Addict
      • May 2009
      • 6016

      Most municipalities require a permit to be pulled, and a city inspector to sign off on the work.

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      • #4
        0481
        Member
        • Oct 2011
        • 291

        You lookin to steal some. Jk

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        • #5
          Peripro
          Junior Member
          • Apr 2009
          • 85

          I've set up the same system twice (buyer didn't want the system).

          The physical work is fairly simple. The hardest part is finding the rafters and attaching the racking. Once the racking is set, carrying 45 lb. panels up to the roof (be careful, they're glass and around $1000 a pop).
          Run wiring from panels to junction box, run wiring from junction box to the DC disconnect but don't connect wires in junction box. After connecting to DC disconnect, connect wires in junction box (you don't want to run hot wires).
          Wire from disconnect to inverter (attach inverter to wall somewhere), and wire 220 AC from inverter to AC disconnect. Then wire from AC disconnect to the main panel and land on a circuit breaker. Remember all wiring is in EMT after the junction box.

          The hard part, figuring out the system. How big a system? What type of panels? What inverter? Do you want battery backup? How much battery? What type of batteries? Where does all of this physically go? What size DC and AC wires? What type of wiring? How big is the conduit to carry the wires? How far are the panels from the inverter and how much voltage drop will occur? Should I push up the voltage of the system to decrease voltage drop? Will that work with the inverter?
          You have to do a LOT of homework, there are a couple of good DOE pamphlets you should read and lots of information to find.


          Then the fun part, dealing with the local county, following NEC 2008, and dealing with PG&E.

          My current 4.1Kw system changed the $200-$300 PG&E bills to $80-$100, and I haven't finished the paperwork to switch to schedule 6.

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