Which Side to Install Battery Bank Disconnect Switch + or -?

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  • Richiep
    Junior Member
    • Sep 2017
    • 28
    #1

    Which Side to Install Battery Bank Disconnect Switch + or -?

    So I did some googling on this and expected and easy answer...wrong. I read several things that said it doesn't matter which side you install the switch. Others said you should do the positive/hot side. This sounds correct to me but I'm posting here to be...wait for it...positive!

    Thanks!
    Rich
    12V 12W panel, SolarEpic Tracer4215BN, 12V 18Ah
    Tags: None
    • NEOH
      Solar Fanatic
      • Nov 2010
      • 478
      #2
      The answer is not positive or negative.
      You switch the un-grounded conductor.

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        • Mike90250
          Moderator
          • May 2009
          • 16020
          #3
          I have my switch in the middle of the battery bank, near the door, so I can break the circuit easily without getting into the middle of smoke
          Powerfab top of pole PV mount (2) | 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 ||
          || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
          || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

          solar: http://tinyurl.com/LMR-Solar
          gen: http://tinyurl.com/LMR-Lister

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