Features:2 3/8IN Dia X 3 11/32IN Length, 7/8 IN Thread Length, Concretetight, Standard:UL 514B, CSA C22.2, NEMA FB-1, Size:2.5IN, Connection:Male NPS Thread, Material:Steel, Finish:Zinc Electro Plated,Insulation:Insulated Throat, Temperature Rating:90CE