A lug arrangement for electrically connecting a conductor to a terminal of a circuit breaker. The lug arrangement includes a lug having a lug opening and first and second holes. The lug opening includes an opening for receiving the conductor and a slot for receiving the terminal. The lug arrangement includes a lug screw threadably engaged with the first hole for compressing the conductor against the terminal. Further, the lug arrangement includes a lug retainer for insertion into both the second hole and a third hole formed in the terminal. The lug retainer includes at least one protrusion that is moveable from a first position to a deflected position for enabling insertion of the lug retainer into the second hole. The at least one protrusion is also moveable back to the first position wherein the protrusion engages the second hole to attach the lug retainer to the lug.