It also comes in very handy when you need a 8m cable, but only can buy them in lengths of 5m and 10m, or when you’re wiring an entire building, and figuring out

It also comes in very handy when you need a 8m cable, but only can buy them in lengths of 5m and 10m, or when you’re wiring an entire building, and figuring out which lengths to order up front is a major pain in the ass, certainly compared to ordering a few hundred meters of cable, a few hundred connectors and tools to put the two together. And that’s ignoring the price difference.