The triple cable set consists of two 30m lengths of heat and oil resistant and flame retardant (HOFR), double insulated 25mm copper cable and one 30 length of compensating cable. The end of the cables that connect to a heat treatment unit are fitted with 300A male twistlock connectors on the two HOFR cables and a thermocouple plug on the compensating cable. The other end of the cables, that connect to the splitter cables and thermocouple at the workpiece being heat treated, are fitted with 300A female twistlock connectors on the two HOFR cables and a thermocouple socket on the compensating cable.