Generator Adapter L14-30P to Recreational Vehicle TT-30R 125V/3750W, ONLY output 125V. Generator Locking 4-prong 30A L14-30 male plug. RV 3-prong 30A 125V TT-30 female receptacle. Connect Locking 30 AMP L14-30 plug to RV with a standard 30 AMP TT-30 RV adapter, Heavy-duty round power adapter plug for generator. 1 piece AC adapter molded PVC with 100% copper conductor inside, Test by UL & cUL standard. Color: Yellow with lighted inside.