Conduit Grounding Bushing; Type Threaded; Trade Size 1-1/2 Inch; Wire Size 8 to 2 AWG; Lug Type Solid Copper; Throat Type Insulated; Diameter 2-1/8 Inch; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Standard Package 200; Approval UL 514B, UL (Canada and US); Used On IMC/Rigid Conduit; Applicable Standard Federal Specification A-A-50553, NEMA FB-1; Insulator Material Plastic; Insulation Temperature 150 Deg C