Power Distribution Box, Voltage Rating 120/240V AC, Amps 50 A, Inlet Twist Lock 50A @ 125/250V AC, Outlet (1) 50A Twist Lock, (7) L5-20R, Number of Poles 3, Number of Wires 4, Color Yellow, Material of Construction Painted Galvanized Steel, Enclosure Rating NEMA 3R, Features Manual Reset GFCI, Standards NEC Art 590 and UL 1640.