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    delbert's Avatar
    delbert Posts: 2, Reputation: 1
    New Member

    Mar 24, 2006, 02:20 PM
    200 amp service
    I am installing a 200 amp,underground residentual service.
    My ungrounded service leads will be - wire size 4/0.
    My question is, can I use a smaller size wire for my grounded netural?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member

    Mar 24, 2006, 02:47 PM
    Yes, but only if the appropriate calculations are done. Installing reduced size neutral is not done very often by contractors, esp for small services, simply because the savings is minimal, and if the calcs are not done correctly, more damage can be done that certainly exceeds the savings.

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