Thomas & Betts FS22-TB 3/4 IN, 2G-SHALLOW BOX, IRON, D-END

Yes. It's a 2 gang device box, so it takes two devices side by side under a two-gang FS cover. Note it's the shallow depth version, so wire volume is tighter than a standard-depth FS box; if you're splicing several conductors behind the devices, step up to the deep version.

Dead end means the box is closed at the ends rather than having feed-through hubs, so the conduit entries are limited to one side and the run terminates at the box. Use it where the circuit stops, such as the last receptacle or switch on a run. If you need to carry conduit straight through to the next box, you want a through-feed FS configuration instead.

FS boxes like the FS22-TB are cast iron with threaded hubs, the construction normally used for exposed work outdoors, in damp areas, and in industrial spaces. Weather performance depends on the cover and gasket you pair with it, so specify a gasketed weatherproof cover for any wet location.

No cover is included with the FS22-TB. It's the box only, so order a separate two-gang FS cover matched to the devices going in, whether that's a duplex, a toggle switch, a blank, or a weatherproof flip lid with a gasket.

Yes, FS boxes are made for surface mounting on exposed work, not for recessing into a stud bay. The cast iron body has mounting provisions on the back so it fastens flat to masonry, framing, or strut, with threaded conduit landing in the hubs.