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    cheshunts's Avatar
    cheshunts Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 7, 2007, 09:58 AM
    Three phase supply
    Hi
    What size cables required for 200 amp supply 3 phase from service head to main switch via CT chamber
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Mar 7, 2007, 10:56 AM
    The wire size can be #3/0 copper or 250 MCM aluminum.
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