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Thread: 480V circuit in EMT

  1. #21
    Join Date
    Feb 2003
    Location
    Massachusetts
    Posts
    60,020
    Quote Originally Posted by kwired View Post
    I imagine you could put medium voltage cable in EMT if you wanted.
    Yes

    II. Requirements for over 1000 Volts, Nominal
    300.37 Aboveground Wiring Methods. Aboveground
    conductors shall be installed in rigid metal conduit in intermediate
    metal conduit, in electrical metallic tubing, in
    RTRC and PVC conduit, in cable trays, in auxiliary gutters,
    as busways, as cablebus, in other identified raceways, or as
    exposed runs of metal-clad cable suitable for the use and
    purpose. In locations accessible to qualified persons only,
    exposed runs of Type MV cables, bare conductors, and bare
    busbars shall also be permitted. Busbars shall be permitted
    to be either copper or aluminum.

  2. #22
    Join Date
    Jul 2007
    Location
    Iowegia
    Posts
    17,455
    Quote Originally Posted by kwired View Post
    And I doubt you see any limitations in any of the raceway articles, you don't apply voltage to the raceway you apply it to the contained conductors.
    360.10(4).
    362.12

  3. #23
    Join Date
    Dec 2007
    Location
    NE Nebraska
    Posts
    30,922
    Quote Originally Posted by 480sparky View Post
    360.10(4).
    362.12
    Both those raceway types nearly need to be limited to 50 volts or less anyway

    They are for appearance not physical protection.

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