This heavy-duty 30A generator inlet box is built tough for outdoor use, with a galvanized steel, 3R-rated waterproof enclosure that stands up to rain, UV rays, and rust. The bright green indicator light lets you know at a glance when power is connected for safer operation. Pre-drilled holes and knockouts make installation a breeze, fitting transfer switches and panels from multiple angles. Compatible with 30A L14-30 generator cords and 6-10 AWG wiring, it's a reliable backup power solution. Plus, it's ETL-certified for safety, ensuring dependable outdoor power access.