Brand Name:Allied Moulded Products, IncSub Brand:UltraplugType:NEMA 4X Enclosure Hole Plug AssemblySpecial Features:Plug fins are self centering, anti-rotational design for fast and easy one person assembly and no-tools tighteningApplication:Capable of sealing unused holes in NEMA 4X enclosures and designed to maintain applicable NEMA/UL/CSA enclosure ratingsStandard:UL 50E, UL 508A, CSA C22.2 No. 14-10, CSA C22.2 No. 94.2-07Material:Polycarbonate thermoplastic plug and nut, neoprene/EPDM gasket Color:ANSI 61 dark gray Insulation:Nonconductive nonmetallic Construction:Injection molded plug and nut, stamped gasketConsist of:One plug, nut and gasket: Trade reference hole size: pilot light (.500)