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. Suitable for RV travel, rainy days, flat land, power outages, construction sites, etc., where a generator is used to supply power. Specification Item 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 Package List 1 x NEMA L5-30P to TT-30R Power Adapter Note Please allow some error due to manual measurement.