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

    Oct 31, 2012, 10:03 AM
    Will a shorted to ground heat pump compressor trip breaker?
    Should a shorted to ground heat pump compressor cause the breaker to trip?
    Mine doesn't. It seems to me the breaker should trip or you should get lit up when you touch the outside unit.
    Thanks,
    Jr
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 31, 2012, 11:56 AM
    Usually it does but you need to make sure power is present before the compressor is activated.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #3

    Oct 31, 2012, 04:34 PM
    An electrical ground is 0 ohms resistance, a lot less than you . That's why if you grab a 120 VAC line on a carpeted or wooden floor you probably won't get shocked. Don't do it outside or on a concrete floor, particularly in bare feet!
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #4

    Oct 31, 2012, 07:46 PM
    If the disconnect has fuses, they will likely blow before a breaker trips.
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