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    bellemore's Avatar
    bellemore Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Jan 14, 2013, 05:01 PM
    Electric motor phase
    I have a 7.5 horsepower electric motor,230/460 volts19.3/9.6 1745 rpm. How can I determine what phase it would be by visually looking at it
    hfcarson's Avatar
    hfcarson Posts: 1,003, Reputation: 49
    Ultra Member
    		  
    #2

    Jan 15, 2013, 04:24 AM
    This is required information to be listed on the nameplate...
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    Jan 15, 2013, 05:30 AM
    A 460V motor would typically only be 3-phase. Also, the amperage for your 7.5hp motor is in line with 3-phase.
    See the chart: NEC Chart Motor Full Load Current
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