Burnt earth

Discussion in 'Electricians' Talk' started by Mosquito, Nov 30, 2021.

  1. Mosquito

    Mosquito New Member

    Hi Chaps
    Slight problem. Just been called to an Isolator with burnt out earth. 3 phase no neutral 32 amp. Running a weld set. I told customer set had fault. He is adamant the set has been tested.
    Any ideas
  2. Bogle Crag

    Bogle Crag Screwfix Select

    Seen this before after the welder had forgotten to attach the return cable to the drill stand he was welding on & the current flowed through the CPC of the drill
  3. Mosquito

    Mosquito New Member

    This was in the 4 pin plug the welding set had been plugged into.
  4. Lectrician

    Lectrician Screwfix Select

    It’s still part of the return path if they don’t adequately attach the return earth lead to what they’re welding.

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