RIGID CONDUIT, STEEL MATERIAL; HOT DIP GALVANIZED, 0.002 INCH URETHANE COATED INTERIOR, 0.04 INCH PVC COATED EXTERIOR FINISH; 10 FOOT; 2.489 INCH INNER DIAMETER; 2.955 INCH OUTER DIAMETER; UL 6, CUL APPROVAL; ANSI C80.1, NEMA RN-1 APPLICABLE STANDARD