NEMA Plugs Industrial grade L18-30P locking devices 125V AC/250V

NEMA Plugs Industrial grade L18-30P locking devices 277/480V/AC, 4-Pole, 4-Wire

NEMA L18-30 Male, Four-Blade Plugs

Individual wiring compartments with tapered channel for easy 
insertion of wires

All nylon construction PA66,  Copper connector
 Back wire terminal clamps for easy secure wiring

NEMA Style    Voltage    Current    OD    Wire Connection Type For Cable OD    Color        Environmental  Rating 
3P+E
L18-30    125V AC/250V AC    30A    2.2"    Screw Terminals    0.23"-1.15"       Black            IP44