Thomas & Betts Steel City® Outlet Box, Pre-Fabricated, Series: MS Series, 1/2 in Cover Opening Size, 1 Gangs, 21 cu-in Capacity, For Use With: Conduit, Bracket Mount, Steel, Silver, Galvanized, 4 in W x 1-1/2 in D x 4 in H
3/4 in knockout size and 4 in square1/2 in raised box cover, with grounding No 12 AWG solid ground wire pigtail and box to stud bracket and metal stud bracket
Thomas & Betts Steel City® 151MS13 MS Series Pre-Fabricated Outlet Box, 1/2 in Cover Opening, Steel, Galvanized