Locking Devices, Industrial, Male Nylon Plug, 20A 277V AC, 2-Pole 3-Wire Grounding, L7-20P, Screw Terminal, Black and WhiteLocking Flush Nylon Receptacle, 20A 480V AC, 2-Pole 3-Wire Grounding, L8-20RSKU: 70720NP$6.10PriceOut of Stock