Use the Bridgeport 383 1-Inch Malleable Iron Insulated Grounding Bushing to terminate service conduit to a cabinet with a locknut. The bushing features a plastic metaliner 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 9/16 inches long with diameters of 1-inch and 1-1/2 inches and is solidly built to meet construction and general industry OSHA-recognized, NRTL-listed electrical standards.