Arlington LPCG50-1 Low-Profile Strain Relief Cord Connector, 1/2 Inch Has a unique grommet with gripping fingers Requires 30% less area to mount The cord connector nut needs only to be hand tightened to develop a liquid-tight seal and superior pull out resistance A sealing ring is furnished to assure a liquid-tight seal when installing in a non-threaded opening Doubles cord size range