Do I need a two-gang while-in-use cover for a two-gang box?

Yes. Covers are gang-specific. A two-gang extra-duty cover such as the 2GWIUXD series matches the two-gang screw pattern and gasket footprint.

What trade sizes are the hubs?

Boxes are offered with 1/2" or 3/4" NPT hubs. Match the hub to your conduit or liquid-tight connector size.

No. They are for above-ground wet and damp locations. Use a listed in-ground enclosure for buried installations.

2 Gang Rectangular Outlet Boxes — 16 part numbers, sizes 1/2" to 1", in gray, bronze.

Item No.	Description	Size	Color	UPC	Pkg	Spec sheet
2GB350	2-Gang Box (3) 1/2″ Holes — Gray	1/2"	Gray	658746110110	9	Spec sheet	›
2GB350BZ	2-Gang Box (3) 1/2″ Holes — Bronze	1/2"	Bronze	658746114200	9	Spec sheet	›
2GB375	2-Gang Box (3) 3/4″ Holes — Gray	3/4"	Gray	658746110127	9	Spec sheet	›
2GB375BZ	2-Gang Box (3) 3/4″ Holes — Bronze	3/4"	Bronze	658746991191	9	Spec sheet	›
2GB450	2-Gang Box (4) 1/2″ Holes	1/2"	Gray	658746112244	9	Spec sheet	›
2GB475	2-Gang Box (4) 3/4″ Holes	3/4"	Gray	658746112251	9	Spec sheet	›
2GB550	2-Gang Box (5) 1/2″ Holes	1/2"	Gray	658746110141	9	Spec sheet	›
2GB550X	2-Gang Box (5) 1/2″ Holes Side Lug	1/2"	Gray	658746112275	9	Spec sheet	›
2GB575	2-Gang Box (5) 3/4″ Holes	3/4"	Gray	658746110158	9	Spec sheet	›
2GB575X	2-Gang Box (5) 3/4″ Holes Side Lug	3/4"	Gray	658746112282	9	Spec sheet	›
2GB750	2-Gang Box (7) 1/2″ Holes	1/2"	Gray	658746110165	9	Spec sheet	›
2GB750X	2-Gang Box (7) 1/2″ Holes Side Lug	1/2"	Gray	658746112299	9	Spec sheet	›
2GB775	2-Gang Box (7) 3/4″ Holes	3/4"	Gray	658746110172	9	Spec sheet	›
2GB775X	2-Gang Box (7) 3/4″ Holes Side Lug	3/4"	Gray	658746110189	9	Spec sheet	›
2GB3100	2-Gang Box (3) 1″ Holes	1"	Gray	658746231150	9	Spec sheet	›
2GB5100X	2-Gang Box (5) 1″ Holes Side Lug	1"	Gray	658746231167	9	Spec sheet	›