Hanger Studs are designed to be used with all "C" and Duck Bill ground clamps. Hanger Studs are used to hold one clamp of a set while the other is being installed on the de-energized line. Hanger Studs are not designed or tested to carry current.
21754 Grounding Clamp Hanger Stud can only be placed on clamps designed with a screw down strain relief system.