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    jarodsprouse's Avatar
    jarodsprouse Posts: 1, Reputation: 1
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    #1

    Apr 21, 2013, 01:00 PM
    Amp readings on three-phase power
    Why is it that when I checked the amps on L1 yesterday and then checked it again today the reading was different with the same load
    HowHardCanItBe's Avatar
    HowHardCanItBe Posts: 46, Reputation: 2
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    #2

    Mar 29, 2014, 09:35 AM
    Motor loads will vary as they work harder, but should be all three phases. L1 might be tapped for control side of things, but would be minimal.

    You could have a problem that's developing--check for loose connections and if you have access to thermal imaging, look for excessive, uneven heat on that leg.
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