Extra heavy wall conduit with 1-Inch trade size, is 20-ft long for flexible use. This schedule 80 conduit with belled end connection, has a wall thickness of 0.179-Inch. The PVC construction makes the conduit strong and durable. It measures 0.957-Inch ID x 1.315-Inch OD. It is NEMA TC-2 rated. Conduit meets ETL and WC1094A standards.