- Maintaining the correct contact pressure on the conductor is accomplished by utilizing an adjustable, spring-loaded center roller assembly.
Distribution Traveling Ground with Aluminum Rollers. The DNTG250-1625 is a distribution traveling ground designed to handle applications from 0.250″ through 1.625″ conductor. The aluminum rollers incorporate oil impregnated bronze bushings for trouble-free operation. The ground stud is reversible and accommodates most types of ground clamps.