rhinocables Cat5e RJ45 Coupler, Female to Female Ethernet Coupler and Joiner for Internet Cable Leads, Cat5 Ethernet Connector to Join Cables, Beige (10 Pack) : Amazon.co.uk: Business, Industry & Science
If you have daisy chained Cat5 cables meant for telephone use, you can most likely still use utilize them for Ethernet. : r/HomeNetworking
Twisted Pair Splicing: Should I Do It Or Not?
Cat5e Straight Through Modular Shielded In-Line Coupler RJ45 | Eaton
Amazon.com: Cat 5 Splice
Cut Off Cables: To splice or not to splice?
Why would someone splice together a Cat 5 and Cat 6 cable together? - Networking - Linus Tech Tips
How NOT to splice network cables... : r/techsupportgore
Electrician tried to splice my cut CAT 5 Cables before calling IT. : r/techsupportgore