Woodhead 69W82 Watertite Wet Location Locking Blade Receptacle, 3-Phase, Single Flip Lid, Female, 5 Wires, 4 Poles, NEMA L22-30 Configuration, Yellow, 30A Current, 277/480V Voltage Multiple seal plug/connector interface keeps out contaminants; resists vapor and water from high-pressure wash d up to 1000Psi Color-coded " terminal screws preset in open position, ready to wire Wire screw terminals are tri-drive to be used with straight blade, phillips and square-drive screw drivers Floating blade construction provides self-alignment, and a better mechanical and electrical connection minimizing wear and heat generation Transparent wiring guide to verify all wire strands are in place before securing wire