Exception No. 2: An unbroken length(s) of rigid or intermediate metal conduit shall be
permitted to support a box used for luminaire (fixture) or lampholder support,
or to support a wiring enclosure that is an integral part of a luminaire
(fixture) and used in lieu of a box in accordance with 22.214.171.124(b), where all of the following conditions are met:
(a) The conduit is securely fastened at a point so that the length of conduit
beyond the last point of conduit support does not exceed ___ mm.
(b) The unbroken conduit length before the last point of conduit support is ___ mm
or greater, and that portion of the conduit is
securely fastened at some point not less than 300 mm from its last point of support.
(c) Where accessible to unqualified persons, the luminaire (fixture) or lampholder,
measured to its lowest point, is at
least ___ mm above grade or standing area and at least ___ mm measured horizontally to
the 2 400 mm elevation from windows, doors, porches, fire escapes, or similar locations.
(d) A luminaire (fixture) supported by a single conduit does not exceed ___ mm in
any direction from the point of conduit
(e) The weight supported by any single conduit does not exceed ___kg
(f) At the luminaire (fixture)
or lampholder end, the conduit(s) is threaded wrenchtight into the box, conduit body, or integral wiring enclosure, or into hubs identified for the purpose. Where a box or conduit body is used for support, the luminaire (fixture) shall be secured directly to the box or conduit body, or through a
threaded conduit nipple not over ___ mm long