An aircraft circuit breaker comprising: a housing that and has a front surface, a rear surface, a bottom surface, a first side surface, a second side surface, and a top surface, with each surface being generally rectangular; a first electrical terminal and a second electrical terminal protruding from the top surface; a circuit breaker mechanism enclosed within the housing, the circuit breaker mechanism electrically connecting the first electrical terminal to the second electrical terminal, the circuit breaker mechanism configured to interrupt electrical flow between the first electrical terminal and the second electrical terminal in response to detecting a fault condition; an electrical switch located at the top surface of the housing, the electrical switch having male connectors protruding from the electrical switch, the electrical switch having a switch mechanism that affects an electrical connection between the male connectors, the electrical switch configured such that the switch mechanism is actuated in response to the circuit breaker mechanism interrupting electrical flow between the first electrical terminal and the second electrical terminal; a barrier structure attached to the housing, the barrier structure being generally rectangular and elongated and having a length approximately equal to a length of the top surface, the barrier structure extending from a rear edge of the top surface of the housing and aligned approximately parallel with the rear surface and perpendicular to the top surface, the barrier structure defining two female electrical connector receptacles, each defined female electrical connector receptacle having a longitudinal axis approximately parallel with the rear surface, the defined female electrical connector receptacles having electrical contacts; and an electrical switch adaptation mechanism (125, 140) that connects the male connectors of the electrical switch with the electrical contacts of the defined female electrical connector receptacles without obstructing the defined female electrical connector receptacles. a housing that and has a front surface, a rear surface, a bottom surface, a first side surface, a second side surface, and a top surface, with each surface being generally rectangular; a first electrical terminal and a second electrical terminal protruding from the top surface; a circuit breaker mechanism enclosed within the housing, the circuit breaker mechanism electrically connecting the first electrical terminal to the second electrical terminal, the circuit breaker mechanism configured to interrupt electrical flow between the first electrical terminal and the second electrical terminal in response to detecting a fault condition; an electrical switch located at the top surface of the housing, the electrical switch having male connectors protruding from the electrical switch, the electrical switch having a switch mechanism that affects an electrical connection between the male connectors, the electrical switch configured such that the switch mechanism is actuated in response to the circuit breaker mechanism interrupting electrical flow between the first electrical terminal and the second electrical terminal; a barrier structure attached to the housing, the barrier structure being generally rectangular and elongated and having a length approximately equal to a length of the top surface, the barrier structure extending from a rear edge of the top surface of the housing and aligned approximately parallel with the rear surface and perpendicular to the top surface, the barrier structure defining two female electrical connector receptacles, each defined female electrical connector receptacle having a longitudinal axis approximately parallel with the rear surface, the defined female electrical connector receptacles having electrical contacts; and an electrical switch adaptation mechanism (125, 140) that connects the male connectors of the electrical switch with the electrical contacts of the defined female electrical connector receptacles without obstructing the defined female electrical connector receptacles.