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Thread: 320 Meter Socket, Service set up

  1. #1
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    320 Meter Socket, Service set up

    Hey everyone, I have a question regarding the service set up of a 320 meter socket.
    The set up is as follows...

    Have riser coming to the 320 meter. From the meter I have conduit run under the slab to a 200 amp main breaker house panel. Does this service need to have a disconnect on it by the meter socket?


    The plan is to have another dwelling unit in the future use the remaining Lugs in the 320 meter. Do I need a disconnect for the future service.

    Would love any input or suggestions on what to do differently!

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    In the jurisdictions that I am familiar with the install would be approved without any overcurrent at the meter.
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    Quote Originally Posted by augie47 View Post
    In the jurisdictions that I am familiar with the install would be approved without any overcurrent at the meter.
    Same here, and with that in mind, 3 wire to each, as long as there is no metallic interconnection otherwise.
    Tom
    TBLO

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    Someone long time ago mentioned on this site that a meter is just wide point in the service conductors (most typical installations where the meter is simply the POCO's cash register ahead of service disconnecting means) and gets no special treatment from NEC. You do about same thing with it as you would a junction or pull box in the service conductors.
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    How far from the meter socket to the main panel is it? I can't remember what the exact distance, I think its either 5 or 6 ft but if it exceeds that in some jurisdictions they require a disconnect at the meter.
    The world is round, you will get there no matter what path you take.

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    The only issue I see, is with this potential future dwelling unit, and whether that meter can serve both without disconnects. Take a look at 230.40.
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

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    Quote Originally Posted by rlundsrud View Post
    How far from the meter socket to the main panel is it? I can't remember what the exact distance, I think its either 5 or 6 ft but if it exceeds that in some jurisdictions they require a disconnect at the meter.
    That’s usually from the point of entry. Most jurisdictions don’t consider “under the slab” as entering the structure, only the portion that is exposed coming out of the slab.

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    Quote Originally Posted by mopowr steve View Post
    That’s usually from the point of entry. Most jurisdictions don’t consider “under the slab” as entering the structure, only the portion that is exposed coming out of the slab.
    And the NEC specifically says under 2" of concrete is considered outside.
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

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    I agree as long as you follow the "closest point of entry" when the conduit emerges from the concrete no disco. As far as the other I would set a disconnect for the future feeder that way you don't have to mess with the POCO to get back into the meter base.
    Organized people are people that are just too lazy to look for their stuff

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    Quote Originally Posted by WA Sparky View Post
    Hey everyone, I have a question regarding the service set up of a 320 meter socket.
    The set up is as follows...

    Have riser coming to the 320 meter. From the meter I have conduit run under the slab to a 200 amp main breaker house panel. Does this service need to have a disconnect on it by the meter socket?


    The plan is to have another dwelling unit in the future use the remaining Lugs in the 320 meter. Do I need a disconnect for the future service.

    Would love any input or suggestions on what to do differently!
    As others have said, this is fine by the NEC. However, it may not be OK with the POCO. Many POCOs have requirements as to where the service disconnect is in relation to the metering point.

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