1.5 ft. L5-30P 3-Prong 30 Amp Plug to L14-20R 20 Amp 125-Volt/250-Volt 4-Prong Connector

This AC WORKS brand adapter cord [L530L1420-018] is very durable. It is a NEMA L5-30P to NEMA L14-20R. The NEMA L5-30P is a 30 Amp, 125-Volt, 3-prong locking male plug. The NEMA L14-20R (hots bridged) is a 20 Amp, 4-prong locking female connector. The maximum operating power is 3750-Watt. This adapter is 1.5 ft. L and is an SOOW, 10/3, anti-cold weather cable staying flexible in extreme temperatures. Included with your purchase is a 5-year limited warranty.