Definitions for "Category 5 Cable"
An unshielded twisted-pair type cable designed for high signal integrity. The actual standard defines specific electrical properties of the wire, but it is most commonly known as being rated for its Ethernet capability of 100 Mbps. (source)
telecommunication cable used inside a building that always has a ripcord.
A cable that uses, solid core telephone wires, versus stranded, and includes 4 pairs (8 wires) of unshielded twisted wire. This is currently the most popular cable used in a 10/100 Ethernet based network. RJ45 connectors and Jack Modules are used on this cable.