Hubbell 5400-0 Extension Adapter, 5-1/4 in L, 3-1/2 in W, 1-Gang, 6-Knockout, Die-Cast Aluminum, Gray, Powder-Coated

Used to provide additional capacity needed for NEC box fill requirements. Die-cast aluminum construction. 6 threaded 1/2 in outlets. Installation hardware gasket and 1/2 in closure plugs included. Ground screw is provided. Internal threads and hubs comply with NEMA requirements. Hubs accept all threaded 1/2 in fittings and threaded conduit. 5-1/4 in L x 3-1/2 in W x 1-1/2 in D. UL listed. NEMA 3R rated.