Arlington Grounding connector is suitable offers flexibility, convenience and cost savings. The box or enclosure accommodates the connector GC50 and eliminates the lugs on a load center frame and provides strain relief for grounding conductors. It installs from inside or outside a metal panel or metal enclosure, through one of the existing 1/2-Inch knockouts. It is used for bonding and grounding separately derived systems. Grounding connector is cULus listed.