APC Smart-UPS RT Tower Isolation/Step-Down Transformer. APC Step-Down Transformer , Input: 208V , Input Connections: NEMA L6-30P , Cord Length: 3 feet ( 0.91 meters) , Output: 120V, 208V , Output Connections: NEMA 5-20R,NEMA L14-30R,NEMA L6-20R,NEMA L6-30R