Belden CA00652.00C03 is an instrumentation cable. The “CA” portion of the part number indicates that the cable is a composite design, meaning that it includes multiple elements or materials. It is a pair (2 conductor) cable with a 0.25-inch outside diameter. The 00652 portion indicates that it is a 6-pair cable, and the “C03” indicates that it has a PVC central core. The overall construction of this cable includes one bare copper conductor, one bare aluminum conductor, a conductive polyester shield with a drain wire, an overall PVC jacket, and conductive polypropylene central core. It is suitable for use in applications such as PLCs, instrumentation circuits, and other industrial control purposes.