OZ-Gedney Type CT Service Entrance Head, 1-1/2 IN Hub, Length: 3-25/32 IN, 5-3/8 IN Width, 4-3/4 IN Height, Malleable Iron, Brass Screws In Hood, Phenolic Insulator, Finish: Hot Dip Or Mechanically Galvanized, Connection: Threaded, 3 X 3/4 IN, 2 X 19/32 IN, 1 X 7/16 IN Insulator Holes, Third Party Certification: UL File Number E-11857, Applicable Third Party Standards: UL 514B, For Rigid Conduit, IMC And EMT Conduit