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Thread: IEEE Standards Dictionary

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    IEEE Standards Dictionary

    Can anyone who has access to this document tell me whether its definition of "manhole" is such that a vault that sits under a transformer would meet that definition?
    Charles E. Beck, P.E., Seattle
    Comments based on 2017 NEC unless otherwise noted.

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    Perhaps the following article might provide some useful information:

    https://www.google.com/url?sa=t&sour...PiUZVcxzb7VAoY

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    190611-1932 EDT

    charlie b:

    The University of Washington library might have a copy, and I might expect anyone might have access.

    .

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    This is only online now right? I can get a copy of IEEE100-2000, but it appears to have been withdrawn???

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    190612-1720 EDT

    From the University of Michigan library system
    IEEE Standards are accessible via IEEE Xplore
    .

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    Quote Originally Posted by gar View Post
    From the University of Michigan library system.
    That requires a university log in. Also, IEEE Xplore requires a subscription. But thanks anyway.

    Charles E. Beck, P.E., Seattle
    Comments based on 2017 NEC unless otherwise noted.

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    190613-1303 EDT

    charlie b:

    I might expect the University of Washington would have a similar connection thru their library. It may be that if you visit their library that from the library computers that you may be able access IEEE Explore. Check with the EE department at U of W.

    .

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    Sorry for my tardy reply. This is from the IEEE Std 100 - 1996 edition:

    manhole (1) (More accurately termed splicing chamber cable
    vault) A subsurface chamber, large enough for a man to enter,
    in the route of one or more conduit runs, and affording facilities
    for placing and maintaining in the runs, conductors,
    cables, and any associated apparatus. See also: splicing
    chamber. (PE/T&D) [10]
    (2) An opening in an underground system that workmen or
    others may enter for the purpose of installing cables, transformers,
    junction boxes, and other devices, and for making
    connections and tests. See also: distribution center: splicing
    chamber. (BT) [34]
    (3) A subsurface enclosure that personnel may enter used for
    the purpose of installing, operating, and maintaining submersible
    equipment and cable.
    (NESC/T&D) C2-1997, C2.2-1960
    I have always treated the vaults you described as "manholes" in my refinery experience.
    "Bob"
    Robert B. Alexander, P.E.
    Answers based on 2017 NEC unless otherwise noted.

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