Conduit Grounding Bushing; Type Threaded; Trade Size 3 Inch; Wire Size 14 AWG Solid to 1/0 AWG Stranded; Lug Type Tin Electroplated Aluminum Alloy; Throat Type Insulated; Diameter 3-3/4 Inch; Height 1 Inch; Material Zinc Electroplated Malleable Iron; Standard Package 25; Approval UL 514B, UL (Canada and US); Used On IMC/Rigid Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1; Insulator Material Nylon; Insulation Temperature 150 Deg C