A nail for use with repairing a bone fracture. This enables the wick to burn down whilst leaving an insulating layer of wax in the base of the container. Heat is provided to the layer from one or more heaters located in the formation. The system may also be employed in redistributing cell traffic among cells to optimally balance cell loads. The labels have coded information about the cable and are conductive andor include a plurality of openings so as to assure conductivity between an outer sheath of the metal-clad cable and a terminating assembly connector member coupled thereto.