A refrigerator appliance including a refrigerated chamber defined by a liner positioned within a cabinet is provided. At least one track extends generally along a vertical direction of the refrigerator appliance attached to or positioned adjacent to the liner. Additionally, a shelf assembly is configured to attach to the track. An electrical bar extends at least partially within the track and a probe of the shelf assembly is configured to extend into the track and press against the electrical bar along a transverse direction. The probe may accordingly make an electrical connection with electrical bar when the shelf assembly is attached the track.