RJ45 Ethernet Splitter Cable, TSV RJ45 1 to 2 LAN Network Adapter Ethernet Splitter Cable Male to Female Fit for Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter - Walmart.com
How to Wire Up Ethernet Plugs the EASY WAY! (Cat5e / Cat6 RJ45 Pass Through Connectors) - YouTube
cat6 - Ethernet Wall Sockets - Wiring Issue - Super User