Insulated metallic grounding bushings are for use with accompanying aluminum lug to terminate conduit service; recommended for applications with copper or aluminum bare ground connectors. Protective thermoplastic throat liners are rated to 105 ° C and help prevent wire insulation damage. Built to last corrosion resistant zinc die cast construction, available in 1/2” to 6” sizes always in stock and ready for fast delivery. All models UL listed.