Use the Bridgeport 381-DC 1/2-Inch Zinc Die Cast Insulated Grounding Bushing to terminate service conduit to a cabinet with a locknut to protect conductors inside threaded rigid or IMC when entering a box. The bushing features a plastic metaliner with UV inhibitor that prevents damage to wire insulation and a 14 to 4 lug for bonding a jumper to a neutral busbar. Temperature rated to 150 degrees Celsius, this bushing is 3/8 inches long with diameters of 5/8 inches and 1-1/16 inches and is solidly built to meet construction and general industry OSHA-recognized, NRTL-listed electrical standards. Includes stainless steel hardware and UV stabilized insulators for outdoor use.