NEMA 5-15P to 14-50R for Level 1 EVs,50 Amp to 15 Amp 110 Volt RV Adapter Cord Electrical Power Plug,Heavy Duty STW 10 Gauge 20 Inch. EV Charger Optimization:Tailored exclusively for Shell EV chargers, our adapter ensures seamless compatibility with all level 1 electric vehicles. It effortlessly converts a standard 15-amp household outlet to a robust 50-amp outlet (NEMA 14-50R), catering to the unique charging needs of electric vehicles. Certifications and Safety:Prioritizing safety, our Shell NEMA 5-15P to 14-50R adapters are manufactured in accordance with UL62 CSA-C22.2. Rated for AC 90-125V,1-15A, the (UL)STW 12AWG(3.3mm²)x3C gauge wires enhance durability and reliability, providing peace of mind during every charging session.(Note When installing, use a 15-amp or lower charger setting to avoid plug damage or tripping the circuit breaker.) High-Quality Materials:Crafted with precision, the adapter features TPE fireproof insulation material and 99.99% pure 12AWG electrolytic copper wire. This high-quality construction ensures a stable current transmission and exceptional electrical conductivity, meeting the stringent demands of EV charging. Durable Build for All Conditions:Engineered for longevity, the adapter is coated with STW insulation and incorporates premium electrolytic copper. This design offers superior resistance to oxidation, wear, and heat, making it suitable for diverse environments, from indoor charging stations to withstanding the rigors of outdoor use in inclement weather conditions. Convenience and Portability:The nema 5-15p to 14-50r adapter is designed with a cord measuring 20 inches (50 cm) in length.. Beyond convenience, it allows for the hassle-free conversion of household 15-amp current to directly power 50-amp RVs, offering a practical solution for both residential and on-the-go charging needs.