Amazon.com: GTZ RJ45 Cat5e Pass Through Connectors - Pack of 50 - EZ to Crimp Modular Plug for Solid or Stranded UTP Network Cable - Male Ethernet Connector End : Electronics
NTI rj45-5ewtp-cs28-jck-shldg CAT5e Waterproof Case Side RJ45 Connector with Shielded Jack, Grounding Wire, and 13/16 " - 28 UN threading - Pro AV Warehouse
IDEAL 25-Pack Cat5e Rj45 Modular Plug in the Voice & Data Connectors department at Lowes.com