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Discussion in 'Electronic Repair' started by stuart, Oct 22, 2007.

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  1. stuart

    stuart Guest

    Hi, Quick question concerning inverters if anyone can help.

    If I have a 600w inverter, cpable of 1200w maximum, and I have a 20
    metre extension lead from it to run a 500 watt angle grinder (disc
    cutter), will this be okay or does the extension lead mean I need a
    higgh rated inverter?


  2. Arfa Daily

    Arfa Daily Guest

    It will be ok.

  3. James Sweet

    James Sweet Guest

    So long as the extension cord is capable of handling the draw of the grinder
    then this will be no problem. The inverter capacity isn't part of the
  4. That depends on whether your 600 watt inverter can deliver 500 watts
    at 100% continuous duty cycle. Most of the cheap mobile 12VDC
    inverters cannot and will get toasty hot. If it's a tiny little
    portable inverter, it's gonna blow. If it's a big ugly heavy
    monsterious huge monster, with oversized heat sinks, and a noisy fan,
    it will work just fine.

    There's a small chance that the extension cord may be a problem. If
    it's of insufficient wire guage, the voltage drop will be excessive
    and your grinder will run slow or grind without much torque. Just
    about anything bigger than #16 awg will work, but there's always
    someone that wants to use a roll of zip cord as a long extension cord.
    What's the wire guage?
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