Download How To Run Speaker Wire Through Walls Background. The correct wire for running through the walls will say cm or cmr on it. I need to run speaker wires through an exterior wall.
Apparently there is a lot of fire and building codes involved, or at least what was told.
Need advice on how to run speaker wire in my walls and what gauge to use. So when pm tech expert anthony verducci decided that his standing home theater speaker towers took up too you need to measure your walls and understand a few rules of how the speakers should be installed. If you need to go through an air duct be sure the the wire is plenum or cmp rated. Lay the speaker wires into the groove and secure with duct tape.