Morris Products 91657 Heavy Duty Lay-In Ground Clamp 2-1/2 inch - 4 inch - Lay-In Ground Clamps Acccomodate Large Awg Ground Wires with ease. The Kenny Clamp bonds the enclosure of a service panelboard, load center, separately derived system or switchboard to the grounding electrode conductor per the requirements of NEC 250., 8; 312., 5(A); 250., 53 D)(2); 250., 52 (A)(1); 250., 52(A)(3); 250., 66; 250., 104 (D)(1); 250., 24; 450., 10(A) Material: Brass., Dimension Measurements = Inches., UL Listed. Assures good metallic connection and low impedance path for grounding and bonding of electrical equipment 100mm G-Clamp | Morris Mica Morris 15397 Kenny Clamp 1/0 Stranded Steel Morris Coupling 0102003B2FG Clamp Machine Part Morris 15397 Kenny Clamp 1/0 Stranded Wire Cable Clamp G.I. Wire Rope Clip U-Bolt 1/4, 5/16, 1/2, 5/8 Electrical... 6 solid Kenny Clamp UL-Listed Connector UL 467 listed connector for use with Equipment Ground Conductors, Ground Electrode Conductors and Bonding Jumpers