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 feed-through lug.
Provides smooth surface to prevent damage to the wire when pulling
Provides a means of grounding with feed-through lug for easy attachment of grounding wire
For use with 1-1/4 in. rigid conduit or IMC and wire range #14 - #4