Hubbell Bell 5230-0 Single Gang Weatherproof Box 3-1/2-Inch Outlet is for use in branch circuit wiring in wet, damp, or dry locations and may be used as a weatherproof junction box, or as a housing for receptacles, switches, and GFCI"s. Internal threads and hubs comply with NEMA requirements. Hubs accept all threaded fittings and threaded conduit. Multi-lingual instructions in each package and two closure plugs included.