Note: As wire lengths extend beyond 50ft, their resistance increases substantially, leading to a notable power loss. For instance, a 30-amp current decrease to 25 amp. Electrical Rating: 25 amp RV extension cord, with 30A male (NEMA TT-30P) 30A female (NEMA TT-30R) standard connectors, rated for 3175 Watt. Superior Durability: constructed from durable and weather resistant 10/3 Gauge STW jacket. The strain relief structure makes the cord hard to break. ETL/cETL approved. Disconnect Handle: Easier to plug in and plug out without damaging the cable, and it keeps your fingers away from the power source to avoid accidental injury. Easy to Organize: Come with a storage bag and plastic strap to make the cord neat when not in use. Easy to store in your RV or garage. Power Indicating: The power indicator light visually informs the user when the cord is connected to the power source.