; (2) $250 for the second offense; and (3) $500 for any subsequent offense. (d) Preemption In accordance with section 4306 of title 46, United States Code, a State may not establish, continue in effect, or enforce any law or regulation addressing engine cut-off switch requirements that is not identical to a regulation prescribed under this section. (e) Definitions In this section: (1) Engine cut-off switch The term engine cut-off switch means a mechanical or electronic device that is connected to propulsion machinery that will stop propulsion if— (A) the switch is not properly connected