This AC WORKS brand Extension cord L520520-096 is a heavy-duty household extension cable. This 8-foot cord is a NEMA L5-20P to NEMA 5-15/20R. The NEMA L5-20P is a 20 Amp, 125 Volt locking male plug. The NEMA 5-15/20R is a 15/20 Amp, T-blade female connector. The cable is an SJTW, 12/3, anti-cold weather cable staying flexible in extreme temperatures. The cord is super durable and typically used in construction and industrial equipment.