https://www.acehardware.com/departments/lighting-and-electrical/boxes-fittings-and-conduit/cable-connectors/3018007
Sigma Engineered Solutions ProConnex Non-Metallic Cord Grip Connector 3/4 in. D 1 pk Mfr# 49227M -...
The Sigma ProConnex Non-Metallic Cord Grip Connectors are used to seal, provide strain relief and terminate portable or flexible cords to a metal box or...