560R9W Pin And Sleeve Receptacle 60 Amp | ElecDirect
Leviton 360R4W 60 Amp, 125 Volt, 2P, 3W, Outlet North American Pin & Sleeve Receptacle, Industrial Grade, IP67, Watertight - YELLOW - Electrical Outlets - Amazon.com
Legrand - Pass & Seymour Power Outlet with Straight Blade Receptacle with 250 Volts to Use as Heavy Duty Outlet, 5760, 1 Count - Electric Plugs - Amazon.com