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Certifying New build without ESB connected

  • 31-10-2022 11:19pm
    #1
    The_Bullman
    Registered Users, Registered Users 2 Posts: 1,997 ✭✭✭


    Basically: is it possible to certify/test a new build without the ESB being connected. Can a generator be used?



Comments

  • #2
    kirk.
    Registered Users, Registered Users 2 Posts: 4,957 ✭✭✭kirk.


    No all you'd have is pre-connections tests on the fixed wiring (cables)

    Post connection tests to complete the cert are done with an ESB supply

    Portable Gennys hooked up to installations are an unknown quantity as far as I can see re RCDs and trip times

    The bigger TNS generators you'd be able to get proper readings I'd say matching ESBN



  • #3
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,603 Mod ✭✭✭✭2011


    It is the earth fault loop impedance will be different when connected to the ESB supply due to a different Ze value.



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