PLATINUM TOOLS' 100003 EZ RJ45 cable connectors are made for use with CAT 3, CAT 5, and CAT 5e cables with solid or stranded conductors. These EZ RJ45 connectors feature a simple one-piece design that allows the wire pairs to be inserted through the front of the connector. In addition, EZ RJ45 connectors are FCC and UL compliant. They produce high performance in the most demanding applications.