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  • Users: Gibbs
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  1. Gibbs

    Arcing Ground Faults

    I have a 3 phase, 4-wire, 120/240 volt delta service to a machine shop. I have recently had some 3 phase equipemnt damaged: an inverter, transformer, and 2 three phase surge protectors damaged from high voltage. There was no damage to any single phase equipment. I suspect an arcing ground...

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