Attributes . These heavy duty cast hub device boxes accommodate standard wiring devices such as switches and receptacles, serve as pull boxes for conductors, provide access for splicing and maintenance, or allow connections for branch conduit runs; Rugged and corrosion resistant for indoor or outdoor use; Weatherproof, raintight and dust-tight when used with cast gasketed covers; Ridge top construction provides positive fit between gasket, box and cover to seal out moisture; Furnished with internal grounding screw; Tapered threaded hubs (NPT) with integral bushings; Suitable for use in wet locations when used with gasketed covers; For use with FS style covers as well as standard device plates made of steel, brass, bakelite, etc; Single gang without mounting feet . Names