Premium 30A 50 ft Set: Built with SJTW 10AWG/4C heavy-duty cable, our generator cord supports up to 30A/7500W. Equipped with a NEMA L14-30P male plug, NEMA L14-30R female receptacle, and power inlet box—ideal for home backup and RV emergency power Durable Copper Cable: Featuring pure copper core, our 50 ft generator extension cord delivers steady power transmission with minimal loss. With a flame-retardant PVC jacket, it resists bending, rain, snow, and extreme temperatures for long-term outdoor use Weatherproof Inlet Box: Designed with a flip cover and rust-resistant coating, our power inlet box shields against wind and rain. The LED indicator automatically lights up when powered, allowing you to easily check the power status even at night Hassle-Free Installation: With pre-drilled holes and detachable knockouts, no drilling or extra tools are needed. With a spacious interior, our generator cord and power inlet box allow smooth wiring, saving you both time and effort Convenient Storage: Comes with a storage bag and PVC carrying strap, allowing you to neatly store the generator extension cord and power inlet box. Compact design saves space in your RV or home while keeping your setup organized