Hubbell Wiring Device - HWDK HBL21CM414B H/LOCK CONN, 3P4W,

Locking Devices, Hubbellock®, Industrial, Female Connector Body, 30A 600V AC, 20A 250V DC, 3-Pole 4-Wire Grounding, Black nylon housing, Thermoplastic interior, Corrosion resistant, Non-NEMA, Screw Terminal, Black and White. Features: Spring loaded safety shutter contains arcing when mating or un-mating devices under load; Spring loaded safety shutter automatically ejects the plug eliminating contact teasing; Box terminals in conjunction with screws with pressure pads provide maximum termination strength and dependabilit; Three-piece clamp assembly provides maximum strain relief and protects against entry of moisture and dust; Corrosion Resistant