OZ-Gedney Type C - 15L End stopped 2-Screw Connector, Size: 3/8 IN (1/2 IN KO), Connection: Male NPS Hub X Set Screw, Conductor Range: 3/8 - 5/8 IN, Malleable Iron, Finish: Zinc Electroplated, Dimensions: 1-1/16 IN Length X 1-3/8 IN Width, Third Party Certification: UL File Number E-11852, CSA 9795, Applicable Third Party Standards: UL 514B, CSA C22.2 No.18, Federal Specification W-F-406E, NEMA : FB-1, For Armored Cable