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    deor650's Avatar
    deor650 Posts: 2, Reputation: 1
    New Member
     
    #1

    Nov 14, 2008, 07:54 AM
    I just replace my breaker box but it didn't have a main breaker is that safe ?
    On the box it says it is a 100 amp breaker box and I have 1 50 amp breaker .2 30 amps breaker and 3 20 amps breakers if I add all the breaker it is 170 amps and my breaker box is for 100 amps is that how it works? Do I need a bigger breaker box? Is it unsafe that the breaker box doesn't have a main breaker?
    schwim's Avatar
    schwim Posts: 132, Reputation: 22
    Junior Member
     
    #2

    Nov 14, 2008, 09:47 AM

    It's more than likely intended to be a sub-panel, with a master circuit in a panel above (prior to) it. Personally, I would not have a panel that I couldn't control at a single point.

    Thanks,
    Json
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
     
    #3

    Nov 14, 2008, 12:00 PM
    You replaced it yourself? How did you do it live??
    Was there a main breaker before?
    Is there a remote main breaker now??
    WHY did you replace the panel to begin with?

    The sum of the breakers is a completely useless number. A load calculation is the only way to be sure you have enough capacity.
    Jerry burch's Avatar
    Jerry burch Posts: 3, Reputation: 1
    New Member
     
    #4

    Nov 6, 2012, 08:17 PM
    Its safe you still have over current protection on your branch circuits you just can't shut them all off at once . I personally would want a main breaker.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
     
    #5

    Nov 6, 2012, 08:29 PM
    Many locations, GA. For example, require a main disconnect outside the home. I have 2 homes, one built in 2003 and one in 2008. Neither one has a disconnect in the panel, they are in the box with the meter base. This is to allow the fire Dept to kill the power without going into a house on fire.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
     
    #6

    Nov 6, 2012, 09:04 PM
    Once again, ancient thread resurrection.

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