Patent ID: 7556540

Claim:
A bushing well comprising: a bushing well housing defining a conical inner cavity for receiving an end of a bushing insert; and an electrically conductive insert disposed within said housing, said insert having an installation tool engagement portion accessible by an installation tool via said inner cavity of said housing for attaching the bushing well to an electrical device; wherein said electrically conductive insert comprises a tubular member having an axial bore therethrough, and wherein said installation tool engagement portion is defined by a wrenching passage provided in said axial bore, said wrenching passage having a hexagonal internal cross-section providing a wrenching socket; wherein said axial bore of said tubular member comprises a first internally threaded portion and a second internally threaded portion opposite said first portion, said wrenching socket being disposed between said first and second portions, and wherein said bushing well further comprises an externally threaded replaceable well stud threadably attached to said first portion of said axial bore; wherein said well stud comprises a first externally threaded end for engaging an internally threaded component of a bushing insert, a second externally threaded end opposite said first end for engaging said first portion of said insert and a radially enlarged mid-section disposed between said first and second stud ends.