Generator Adapter twist lock L6-30P to L6-20R 20A/250V/5000W. Molded with electroplate copper terminal in order to avoid surface oxidation effectively. 1 piece AC adapter molded PVC with 12AWG 100% copper conductor inside, Test by UL & cUL standard. Locking 3-prong 30 AMP 250 Volt NEMA L6-30 male plug. Twist Lock 3-prong 20A 250V NEMA L6-20 female receptacle. Color: Yellow with lighted inside.