Patent ID: 6942527

Claim:
A terminal assembly for connecting an external conductor to a power conductor of an electric power apparatus having a molded case forming a terminal cavity into which the power conductor extends, the terminal assembly comprising: a collar disposed in the terminal cavity and having a through opening through which the power conductor extends and a threaded cross opening transverse to and extending to the through opening; a screw having an enlarged head and a threaded shaft threaded into the threaded cross opening for extension into the through opening of the collar; an electrically insulative barrier comprising an elongated member having a transverse hole therethrough sized to accept the external conductor, and a lateral extension adjacent one end of the elongated member defining a recess sized to capture the enlarged head of the screw with the threaded shaft adjacent to the elongated member; and a coupling coupling the electrically insulative barrier to the molded casing selectively in a first position in the terminal cavity with the transverse hole aligned with the through opening in the collar and with the enlarged head of the screw captured in the recess to, when rotated, axially draw the collar toward the lateral extension on the electrically insulative barrier and clamp the external conductor extending into the through opening of the collar through the transverse opening in the elongated member against a first side of the power conductor, and a second position with the enlarged head of the screw out of the recess and free to, when rotated, move axially into the collar and clamp the external conductor inserted into the through opening through the transverse opening in the elongated member against a second surface of the power conductor.