Couldn't they setup wires in the corners of walls though or just in the walls too. Is that pole's diameter a contributing factor? I don't mean literally in the

Couldn't they setup wires in the corners of walls though or just in the walls too. Is that pole's diameter a contributing factor? I don't mean literally in the wall like behind sheetrock, I mean if you scored a line in the sheetrock and placed the thick 12 gauge wire in there or whatever.