135 Degree Elbow grip handle: Helps when plugging and unplugging; reduces stress on cord and minimizes pressure on the inlet. Electrical Rating: 30A (NEMA TT-30P) male to 30A (NEMA L5-30R) female adapter with LED power indicator. Rated for 125V and 3750W, constructed with 10/3 gauge wires. ETL Listed: Tested by Intertek of whole product and complies with the American national standard, not like other brand only have certification for their parts, we recommend you to use the product with ETL or UL listed of whole product for your safety concern. Superior Durability: Molded and made of 100% pure copper wiring coated with a heavy duty flame retardant, UV-resistant polyvinyl plastic sleeve that serves as protection from outdoor elements, wear and tear. Safe Construction: There is a threaded ring on the RVGUARD locking connector for regulating and waterproofing. Power Indicating: Power indicator light visually informs the user when the cord is connected to the power source. RVGUARD 30 Amp to 30 Amp RV Adapter Cord with 135 Degree Locking Connector, NEMA TT-30P to NEMA L5-30R Electrical Power Adapter with LED Power Indicator, 18 Inch, Green, ETL Listed