4 cables, so does that mean four holes? With that many holes - I hope the Sky installer doesn't do what they did to our brother, they drilled through a wall (nothing wrong with that, as expected) and just slightly caught a water pipe that was embedded in it, causing a slight leak - the problem was, the leak went undetected for a couple of months until the floor boarding near the wall was having a serious damp issue which was then traced back to this leak in the pipe caused by a hole drilled in the wall for the Sky cable.