I think both here or Home Improvement would be fine. 

Whatever you do, don't cross post please — just ask your question on one site.

One [of the DIY.SE mods said][1]:

> It would be acceptable here, but you'd likely get a better response at SuperUser

While I'm not sure we have *that* many questions on this topic, feel free to ask it here, and if you don't get a response, we'll migrate it for you.


  [1]: http://meta.diy.stackexchange.com/questions/652/correct-place-to-ask-about-wiring-up-my-house-with-ethernet-cables