Abstract: A cabinet having a plurality of compartments disposed in an interior of the cabinet. The interior is configured to house electrical components. The cabinet has a surface with an exhaust aperture formed therethrough. The cabinet has a fan mounted to its surface in registration with the exhaust aperture in the cabinet. The fan is adapted to produce a flow of air through the interior of the cabinet and to exhaust such flow of air externally of the cabinet. A door is disposed adjacent to the plurality of compartments. The door having an intake aperture formed therethrough to allow the passage of air. The door also has an air dam extending out from the door toward the plurality of compartments. The air dam positioned on the door between the intake aperture in the door and the fan mounted in registration with the exhaust aperture in the cabinet. The air dam is adapted to inhibit airflow along the interior door toward the fan.