Rugged Diecast Shell & Unique Chuck Type Strain Relief. Allows Assembly of Non Pre-Assembled Conventional RJ45 Cables. Cable Connector Carrier Accepts the most Common RJ45 Plugs. Protects Ethernet Connections in a Variety of Commercial Type Applications. Designed to Prevent Breakage of the Fragile Components of Standard RJ45 Connectors. Ethercon Cable Housing Black NE8MX-B-1 use a bushing with integrated strain relief which slides over the cable before an RJ45 has been fitted- and screws on to the main connector shell once terminated- completing the assembly. Suitable for 3.5mm – 8.00 diameter cables. Not suitable for retro fitting.. rj45 connector-cat5 connector