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

    Sep 13, 2013, 10:29 AM
    Wiring a barn from the house panel
    I have a 200A panel in the house and I want to install another 200A panel in the barn. Do I need a breaker box next to the house panel and where do I connect it, the meter? I have 200 feet of 2 inch conduit buried 3 feet, going out to the barn. What size aluminum wire do I run to the barn panel?
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #2

    Sep 14, 2013, 05:53 AM
    Ever so sorry but it is just not that simple.

    To begin with, your main service panelboard may not accommodate a 200 amp breaker. It depends on the size of the breaker allowed by the manufacturer of the panelboard.

    Logically, you cannot drain 200 amps for the barn off a 300 amp service panelboard. However, if you upgrade your electrical service to 400 amp and use a meter that allows a bypass feed to your barn you should be fine.

    Questions:

    How far is your barn from your residence?

    Have you had a load calculation done to determine how much amperage is necessary to service the connected loads at the barn?
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