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    SB Bill's Avatar
    SB Bill Posts: 3, Reputation: 1
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    #1

    Nov 23, 2009, 12:21 PM
    One drop, two meters.
    Hello

    I am upgrading a duplex's two old fuse panels with two breaker panels.

    The supply drop splits into a dual meter head box. One meter says "2-wire", the other "3-wire".

    Does this mean one meter has 2 hots + neutral, and other 1 hot + neutral feeding the panels?

    If so, I will need to use a main panel for 3 wire unit feed, and a sub panel for 2 wire unit feed?

    Note** Neither unit requires a 240V circuit.

    Thanks
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Nov 23, 2009, 02:28 PM
    What I think you have is one meter for 120/240 volts for a home, and the other for a 240 volt water heater.

    Each apartment needs to have a120/240 volt panel, and of course, the related meter(s).

    You will need to consult with your utility to determine what kind of meters you have now, and what kind will be needed,
    SB Bill's Avatar
    SB Bill Posts: 3, Reputation: 1
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    #3

    Nov 25, 2009, 11:52 AM

    There are no 20V circuits in either unit. All gas heaters/appliances. Can a standard breaker panel be wired on a two wire feed... maybe pigtail the bridge? I only want 120 to bus. It will only be a small 70A panel.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Nov 25, 2009, 01:57 PM
    No, you will need a two wire 120 volt panel.
    SB Bill's Avatar
    SB Bill Posts: 3, Reputation: 1
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    #5

    Nov 25, 2009, 03:19 PM

    Just noticed I wrote 20V instead of 240V in previous Q. Sorry.

    Thanks tkrussel. I know I should use a 120V sup panel and plan to do so, but would the pigtailed standard panel work?
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