NSI grounding and bonding products rise to the occasion in a wide variety of indoor and outdoor environments with excellent material quality and flexible designs. These heavy-duty bronze ground clamps with lay-in lugs offer the ultimate solution for grounding large wires in just about any application. Grips onto copper water pipes, tubing, rebar and ground rods using 304 stainless steel screws to tighten the clamp, then grounding conductor is secured in place using a lay-in lug design for ultimate flexibility when securing large wires. Heavy duty direct burial ground clamps are UL Listed for direct burial in both earth and concrete and well as being designed to meet or exceed UL 467 requirements for grounding and bonding. Choose the brand that professionals trust for reliable, affordable grounding and bonding in the field—choose NSI.