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Thread: Wiring interconnect goodies & volt drop loss calculator

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  1. #1
    Join Date
    May 2009
    off grid retirement in Northern Calif

    Default Wiring interconnect goodies & volt drop loss calculator

    first - an on-line voltage drop calc for AC runs: (3% loss)

    Dc or AC
    Voltage Drop Calculator :

    spreadsheet based voltage drop calculator:

    and i found some really nifty terminals / terminal blocks for splices and taps for my AC wiring. I had to run about 900' of #6 aluminum wire, and these were some of the few things that are rated for al wire, and easier to use than the Al/Cu split bolts, if you have the right size wrenches.

    And for your batteries, the terminal mount fuse blocks by Blue Sea are hard to beat.

    MRBF terminal fuse by blue sea (MRBF - Marine Rated Battery Fuse)

    Get the fuse & holder.
    Last edited by Mike90250; 12-04-2011 at 10:37 AM.
    Since the dawn of time it has been mankind's dream to blot out the sun.
    Montgomery Burns

    "Always listen to experts. They'll tell you what can't be done and why. Then do it."

    spreadsheet based voltage drop calculator:

    gen: ,
    battery lugs
    Setting up batteries

    gear :
    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV || || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

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