Quick Question about wiring a home.

Cat 5.
FYI, it's pretty tricky connecting the ends to the special outlets they make for'em.

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See. Lots'o tiny wires.
I think you might need a special tool...

 

well, if you're going to put it behind the walls, you might think about using optic fiber for your ethernet service. It's more or less impervious to EM interference, plus it's non-conductive, which is always a plus. And it'll keep you from having to add a repeater somewhere if your cable length exceeds 100m. Plus it'll handle future speed increases relatively easily.

There's an interesting article about optic fiber here, and there's a link to some equipment here.

 

Yeah, you need a tool to crimp the end onto the wire, and it helps to have a tester so you know if you wired it right. Other than that it's not really that hard.