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    makingmoney123's Avatar
    makingmoney123 Posts: 3, Reputation: 1
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    #1

    Oct 29, 2013, 06:33 AM
    Using single phase breaker in three phase panel
    I have two spaces left in a three phase 240 volt panel, I want to install a single phase 240 volt breaker for a compressor. Is this OK if one of legs is the "high leg"?
    hfcarson's Avatar
    hfcarson Posts: 1,003, Reputation: 49
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    #2

    Oct 29, 2013, 09:55 AM
    Yes, as long as you are careful of any 120V loads or controls...
    There is usually a small control transformer. If it is a 240V transformer you
    Are OK, if it's a 120V then be careful which leg it connects to...
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