A storage system including a panel having a surface, and a storage component or partition configured to be releasably attached to the panel and supported on the surface to at least partially define a cavity. The system also includes a sensor configured to sense at least one of a removal, placement, presence or absence of an item in the cavity. The system further includes a wire configured to be operatively coupled to the sensor. The panel is configured to receive the wire such that the wire extends along a same side of the panel as the storage component or partition and is recessed relative to the surface.