This AC WORKS® brand locking adapter [ADL530L520] is a very durable molded adapter. The locking adapter is a NEMA L5-30P to a NEMA L5-20R. NEMA L5-30P is a 30 Amp, 125 Volt, 3-Prong locking plug. The NEMA L5-20R is a 20 Amp, 125 Volt, 3-prong locking female connector. This product has nickel-plated plugs and terminals to prevent rusting, is super durable, and has a maximum operating power of 2500 Watts. It is generally used for marine shore power, RVs/generators/industrial settings. Included with your purchase is a 5-year limited warranty. Features NEMA L5-30P to NEMA L5-20R NEMA L5-30P, 30 Amp, 125 Volt, 3-Prong Locking Plug NEMA L5-20R, 20 Amp, 125 Volt, 3-Prong Locking Female Connector Power Indicator Light Nickel-Plated to Prevent Rusting 5-year Limited Warranty Common Uses Household Power Tanning Bed Treadmill Rack PDU Commercial Printer Sauna Crown Audio Septic Pump 30 Amp 3-Prong Generator Downloads ADL530L520 Clearance Product Specification Sheet ADL530L520 Power Indicator Style Product Specification Sheet AC WORKS® Brand Limited Warranty Videos