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DC: mixing 12 and 14 gage

Discussion in 'Misc Electronics' started by Henry, Jul 14, 2003.

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  1. Henry

    Henry Guest

    Can I use a 12 gage wire for pos and a 14 gage wire for neg in a 12V
    dc system? I wonder whether there will be any problems with the
    different gages.
  2. Henry

    Henry Guest

    it's for a boat. All loads need to have ground wiring. I was just
    wondering whether the bigger negative wire could cause something that
    I am not aware of.
  3. None, except you'll experience more voltage drop in the 14 gauge wire
    than with the 12. This simply means that the voltage on the load will
    be the supply voltage minus the voltage drop on the #12 + the larger
    drop on the #14.

    Harry C.
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