Arlington Lpcg50 Strain Relief Electrical Cord Connector, 1/2-Inch, 100-Pack

Arlington s low-profile, strain-relief-cord grips have the widest cord rang in the industry! And the unique internal design of the connector assures a liquid-tight and -tight seal, as will as superior pullout resistance. By simply tightening the nut inch hand tight inch, the grommet constricts on the cord or cable, locking it firmly in place.