Features 1.INTERFACE TYPE: Nema L5?30P to TT?30R. NEMA L5?30P male to NEMA TT?30R female alternator power adapter. Nema L5?30P male connects to alternator and Nema TT?30R female receptacle connects to RV power cord. 2.LOCKING DEVICE: NEMA L5?30P male connector has a locking device that securely locks onto the generator end to prevent disconnection due to loose wire connections. 3.REINFORCED DESIGN: Nema L5?30P to TT?30R power adapter is reinforced with a single molding to ensure that it does not fall off in use, and is more durable against pulling and tugging. 4.PVC OUTER COVER: Nema L5?30P to TT?30R power adapter adopts PVC outer cover, which has the characteristics of flame retardant, heat resistant, insulating, tensile and abrasion resistant. 5.APPLICATION: Nema L5?30P to TT?30R adapter converter can be used indoors and outdoors in any weather. Such as RV travel, rainy days, flat land, power outages, construction sites, etc., the generator is ready to power you. specificationItem Type: Nema L5-30P To TT-30R Power Adapter Material: Copper, PVC Interface Type: Nema L5-30P To TT-30R Current Voltage: 30A 125V Plug: US Plug 125V PackageList1 x NemaL5?30PtoTT?30RPowerAdapter NotePlease allow some error due to manual measurement.