Aluminum mounting box for Powertite Series 30Amp Receptacles.Features:- Number Of Outlet: 1- Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum- Size: 1"- Cable Entry: (1) 1” Hub- Mounting: Lugs - Knockouts: No- Finish: Epoxy Powder CoatApplications: - Welders, generators, pumps, compressors and other heavy duty electrical equipment, both fixed and portable - Shipping docks, ports and hose down environments - Any application that requires rugged, weatherproof and corrosion resistant electrical connections