Hi; I am planning to use 14 gauge flat speaker wire for connection. This wire is paintable. I have two questions. 1.If I stick this wire on the wall and paint it, how visible this would be. Should cut a whole in the wall and pull it to make it completely invisible or pain will make it fairly invisible? 2.If I cut the whole in the wall and pull the wire, is there a detailed process describe somewhere? I am not sure how to pull the wire in the wall. Thanks.