Here are some suggestions for reducing the electrical hazards associated with making blind holes in walls. If using a battery drill turn off all electricity in the house.
How To Drill A Brick Wall Without Cracking It
Drilling hole in wall for cable. Use a grounded tool so the metal frame will conduct electricity to ground. When you are drilling through a wall you dont want to drill into an electrical cable. At this point the foam should fit snugly around the cable. It is this hammering action that allows the drill to move backwards and forwards as well as rotating. It is fitted with a bit either a drill or driver depending on application secured by a chuck. If unable to locate the bit repeat the drilling process after moving to a spot a couple of inches away from the first hole.
If however any of your cables need to go through masonry such as brick block or concrete then you will need a drill that has a hammer action. Force one of the rj45 connectors on the cable you intend using through the hole. Remove any insulation in the general area to make the bit easier to locate. In this article well show you some house wiring basicshow to position outlet and switch boxes and run the electrical cable between them. Go to the space into which the drill was boring. Plastic boxes and flexible nonmetallic cable commonly called romex put electrical wiring projects within the skill range of every dedicated diyer.
A drill is a tool primarily used for making round holes or driving fasteners. Some powered drills. Drill the hole through the wall stick the end of the cable through then force the square of foam rubber into the whole.