Ceiling-suspended fans shall be supported independently of an outlet box or by a listed....? (provided by ECM web)
Outlet box or listed outlet box system identified for the use and installed in accordance with 314.27 (C)
Outlet box system, a listed locking support and mounting receptacle, and a compatible factory installed attachment fitting designed for support, identified for the use and installed in the accordance with 314.27 (E)
a or b
None of these
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