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Service Entrance Conductors

Discussion in 'Electrical Engineering' started by Kissi Asiedu, Mar 18, 2006.

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  1. Kissi Asiedu

    Kissi Asiedu Guest

    I have paid an electrician to wire my house in Ghana, Africa. The system
    there is 220-240Volts to ground at 50 Hz. He is telling me he will use THHN
    16mm2 (#6 AWG) for the service entrance conductors. Its a 3 phase system at
    200amp load center (main breaker). Is the wire size right for this system? I
    read NEC 2002 and it requires at least 2/0 copper for 200amp service. Any
    suggestions please?
  2. Guest

    You are correct. Even that includes the "diversity" that one expects
    in a residence. For a non-dwelling installation you would need 3/0
  3. SQLit

    SQLit Guest

    I have no clue if Ghana is as hot as Phoenix. We are required to install
    4/0 copper for service entrance cables or 250 mcm AL. Check the temp derate
    chart below the table.

    Ghana may not have a electric code nor any enforcement. Check other homes
    in the area and see what they installed. Sure is a lot of power for a
  4. In th UK, a 230V system, I would use a 95sqmm conductor for the phases.
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