Hubbell HBL2821 Locking Plug, L22 30P, 30 A, 277 480V AC, 3 Phase, 4 Pole, 5 Wire, Black White 31675 779 cu in Smallest Maximum 779 cu in Smallest Maximum Drawer Load Capacity 125 lb Drawer Slide Features Fully Extending Body Color Gray Red Drawer Color Gray Red Body Finish Gloss Drawer Range 6 to 10 Largest Maximum Drawer Load Capacity 200 lb Duty Rating Heavy Du Stud and 2 3 8" Nut (Across Flats) NEMA Plug Configuration L22 30P Current Rating 30 A Voltage Rating 277 480V AC Phase Three Number of Poles 4 Number of Wires 5 Number of Blades 5 Wire Connection Type Screw Terminals Wiring Style Standard Connection Orientation Straight Shrouded No Grounding Grounded Housing Color Black funnel shaped wire entry for ease of termination