3 phase load centers

Discussion in 'Electrical Forum discussion & Blog' started by bowhunter195252, Apr 24, 2010.

  1. bowhunter195252

    bowhunter195252 New Member

    Messages:
    6
    Location:
    Pa.
    What is the difference between a 4 wire panel and a 3 wire panel ? Thanks
  2. Speedy Petey

    Speedy Petey Licensed Electrical Contractor

    Messages:
    992
    Location:
    NY State, USA
    4-wire indicates a neutral is present.
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