The Tesla Gen 1 NEMA USN 6-50 charger adapter is a 3-prong welder plug charging adaptor designed for electric vehicles. Made by Tesla, this adapter provides a Level 2 charging capability and is a cordset installation. Although it does not come with a manufacturer warranty, it is a reliable charging component for electric, hybrid, and PHEV vehicles. With its compatibility and quality construction, this adapter is an essential accessory for Tesla owners looking to charge their vehicles efficiently and safely.