ATSM Grade 1 rotating ground adapter with a bronze vise type connector that fits pipe diameters up to 3-3/16 inches and conductor ranges #3 solid to 4/0 stranded. Fault rating 14kA at 15 cycles, 10kA at 30 cycles.
Rotating ground adapter slides on reel mandrel, using three locking bolts to secure it. Outer collar contact connects to the end of the conductor from inside the reel. The adapter's inner collar contact connects to a permanent or screw-in ground rod (not included)