Generator Power Inlet Box Our power inlet box features a NEMA SS250P plug, rated for 12,000W and compatible with 46 AWG wire. The 3R rainproof design and ETL Certified receptacle provide enhanced safety and reliable outdoor performance ExtraLarge Cover 3R Rainproof EnclosureExtralarge cover and expanded capacity keep out dust and humidity for stability. Made from galvanized steel with a 3R rainproof enclosure, it resists damage and rust for lasting reliability Unique Outlet Hole Design Unique outlet hole design with special cable entry holes prevents debris from entering This outlet hole design enhances the longevity of your equipment, providing a secure and safe environment for your generator inlet box Easytoremove Knockouts Featuring removable knockouts on the bottom, side, and back of the NEMA SS250P Power Inlet Box. Six knockout holes allow multidirectional connections; detachable front panel for easy installation Trusted Certification ETLcertified for 50 amp generator inlet box, compatible with all 50 amp NEMA SS250 Generator cords. Designed for outdoor installation, ideal for providing backup power during outages and severe weather