Weatherproof Outlet Extension Adapter; Type 3-1/2 Inch x 1-1/2 Inch x 5-1/4 Inch 11 Cubic Inch Gray Powder Coated Die-Cast Aluminum Extension Adapter; Used On NEC Box; Enclosure NEMA 3R; Number of Gangs 1; Number of Hubs 6; Hub Location (1) Back, (3) One End, (2) Other End; Hub Size 3/4 Inch; Mounting Type Surface; Mounting Hardware Lug; Includes (2) Closure Plug, Ground Screw, Installation Hardware, Gasket; Approval UL, CSA C22.2