Ground is red, V is black. Photo ... This isn’t an issue of a cable not meeting a design spec. Ethernet cables, specifically Cat6 cables, have been shown to work but fail to meet the specs ...

Cat5 may still be an option, but Cat6 is faster, safer, and more durable Cat5 cables were the best option for wired networking (also called Ethernet) for a long time. But since the release of Cat6, ...