O-Z/Gedney Grounding Bushing BLG-4150

THREADED, SET SCREW TYPE ZINC PLATED MALLEABLE IRON BODY, STAINLESS STEEL SCREW MATERIAL 1-1/8 INCH RIGID CONDUIT/IMC USED ON 250 TO 500 MCM STRANDED WIRE SIZE COPPER CONDUCTOR MATERIAL UL 467/514B, CSA 22.2 APPROVAL 5 INCH DIAMETER 4 INCH TRADE SIZE PHENOLIC INSULATED THROAT TYPE LAY-IN LUG TYPE COPPER PLUS[TM] BRAND APPLICABLE STANDARD W-F-408E, NEMA FB-1 BLG MODEL