Tripp Lite Model P046-015-LL 15 ft. Heavy-Duty Power Extension Cord, 20A, 12AWG (NEMA L5-20P to NEMA L5-20R), Locking Connectors, 15 ft. F-M Type: Power Extension Cord Type: Locking Connectors Color: Black Connector Number: 2 Connector Detail: Connector A: NEMA L5-20P Connector B: NEMA L5-20R