Cheap co-ax cables won’t do the job ... The design was tested for transmitting video on inexpensive CAT-3 twisted pair wire. According to him, when transmitting on 300m of wire, good quality ...

But Ethernet didn’t start with twisted pair cable. [Mark] and [Ben] at The Serial Port YouTube channel are taking a deep dive into the twisted history of Ethernet on twisted pair wiring.

For low-voltage stranded cable, like you might find on lighting, use the wire nut/gel-filled tube style. Twist on the wire nut, plunge the connector into the tube until the gel oozes out the top ...