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Booster cables

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  • Booster cables

    I`m going to make myself a set of booster cables and i`m not sure of the wire size to go with?

    I have a 750 cold cranking amps battery and i want my cables to be 30' feet long.

    Not sure if I need #1 or 2 or even 2 ot wire? I was thinking of buying some of that stranded welding cable??


    Thanks in advance fellas!

  • #2
    Re: Booster cables

    the bigger you can afford the better they will be, your dealing with 12 volts and voltage drop is fast if your pulling 150 to 200 amps, I would suggest the welding cable as well, or equivalent,

    amp chart for welding cable, but remember the voltage on a welder is higher than a car battery,

    check this voltage drop calculator it has 12 volt calculations,
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    • #3
      Re: Booster cables

      Get a couple pieces of old welding lead and put some clamps on them and you should be set.
      "When we build let us think we build forever. Let it not be for present delight nor for present use alone. Let it be such work that our descendants will thank us for, and let us think, as we lay stone upon stone, that a time is to come when these stones will be held sacred because our hands have touched them, and that men will say, as they look upon the labor and wrought substance of them, "See! This our fathers did for us."
      John Ruskin (1819 - 1900)


      • #4
        Re: Booster cables

        Wow some great info here guys!

        thx for your expertise!