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
Cat 5e Cat 6 Cat 7 RJ45 8P8C Pass Through Modular Plug Network Connectors For AWG23 24 26AWG Cables UTP STP For Optional - AliExpress
IDEAL Cat5e Feed-Thru RJ-45 Modular Plug (25-Pack) 85-370 - The Home Depot