Sigma's Insulated Metallic Grounding Bushings are used on the end of Rigid conduits, IMC and other threaded connectors to provide a smooth, well rounded bearing surface to protect wires or cables as well as providing a means to connect a grounding conductor with a lay-in lug.
Provides smooth surface to prevent damage to the wire when pulling
Provides a means of grounding with lay-in lug for easy attachment of grounding wire
For use with 1/2-in rigid conduit or IMC and wire range #14 - #4