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Ground rod at separate building ?

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    Ground rod at separate building ?

    Hello. A question came up. Let's say there is a house and it feeds a sub panel in a detached garage. The garage would need s ground rod or two attached to the egc at the panel.

    Now a breezeway is added between the house and garage. Or a roof between the two. Reading around some place consider the two building to now be one so I would think no ground rod would be needed.

    Not making sense. How does the electricity know there's s covering attaching two buildings.

    I personally installed a sub panel in my shed years ago. I did not I install a ground rod If I install a covering attaching my house to the shed do I need one. If I install one then add a covering do I need to remove it disconnect the rod?

    Not making sense. To me a separate building 15 feet away from the main building or 150 feet away is a separate building Connected with a covering or not.


    What say ye?

    Thank you.
    " I'm at a crucial part of my painting "...........Monika Danneman

    #2
    I say, separate building with EGC gets a grounding electrode. Rods. Plate. Etc. Putting a connecting roof to it years later means nothing. You already spent to much time thinking about it.
    Tom
    TBLO

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      #3
      I'm perplexed ...

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        #4
        Originally posted by ritelec View Post
        Not making sense. How does the electricity know there's s covering attaching two buildings.
        The same way it knows how to behave on each side of the service disconnecting means.

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          #5
          Pure speculation on my part but I can see why the Code would want a GES at a separate building just as they would any structure. Rather than try to set a distance it would make sense to say any structure. The fact that yours was close enough to allow a breezway is not relevant to a "general rule". For one I am thankful that they didn't get into a "distance" war.
          Plus a ptonsprky suggests.. not worth worrying about
          At my age, I'm accustomed to restaurants asking me to pay in advance, but now my bank has started sending me their calendar one month at a time.

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            #6
            Originally posted by augie47 View Post
            Pure speculation on my part but I can see why the Code would want a GES at a separate building just as they would any structure. Rather than try to set a distance it would make sense to say any structure. The fact that yours was close enough to allow a breezway is not relevant to a "general rule". For one I am thankful that they didn't get into a "distance" war.
            Plus a ptonsprky suggests.. not worth worrying about
            yes I think too much............

            I am not considering attaching the (my) two buildings.

            I'm just curious about how two buildings now become one................


            http://riverheadnewsreview.timesrevi...zeway-dispute/

            and if it becomes one via a breezeway or roof.........electrically I don't think the covering should matter...... they would still seem like TWO SEPARATE buildings to me..
            " I'm at a crucial part of my painting "...........Monika Danneman

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              #7
              Kind of have to agree with Augie - simpler to just require a grounding electrode at all separate buildings/structures, even if they are inches away from one another.

              If you connect two buildings together it doesn't hurt to leave the electrodes at the second building. Though it does create issues with needing an EGC if it is an older install that allowed you to ground the grounded conductor again at the second building, and would have been an issue years ago as well, but is not a problem with newer installs that now must have an EGC to the second structure.
              I live for today, I'm just a day behind.

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