How to run a coax cable through a wall

Written by sue stepp
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How to run a coax cable through a wall
Run a coax cable through the wall and get cable, satellite or tv reception in another room. (home sinema system image by Pavel Losevsky from Fotolia.com)

Coax cable is used for satellite TV, cable TV, attaching antennas to televisions or adding another connection to a room. Coax cable sends hi-fi stereo audio and HD video signals. When adding coax cable to a room in the house, some people let the unsightly cable run around the floor, but this is dangerous. People trip over exposed cables causing accidents. Running coax through a wall is worth the effort. With a few tools and a little time, you can get rid of exposed cables easily.

Skill level:
Moderate

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Things you need

  • Drill
  • 5/8 inch wood drill bit long shank
  • Sheetrock saw
  • Coat hanger
  • Tape
  • Sticky notes
  • Clip in electrical box
  • Coaxial box plate
  • Screw driver

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Instructions

  1. 1

    Locate a wall behind the area where your TV, cable box or satellite box is located. Lightly tap across on the wall until you hear the sound change from a hollow sound to a solid sound.

  2. 2

    Place a sticky note on the part of the wall that sounded solid. Tap on the wall to the right or left side of the sticky note until you hear a solid sound. Place another sticky note on the wall where the sound is solid. The hollow sounding area is between the studs.

  3. 3

    Drill a hole at the bottom of the wall between the sticky notes. Drill the hole through the opposite side of the wall in the other room if you want the cable to go through that wall. Push the coax though the two holes, and the wire is ready for use in the other room.

  1. 1

    Look under the house, and see if there are any electrical wires or floor beams in the way. Drill a hole though the floor close to the wall as close as possible on an angle.

  2. 2

    Feed the coax cable you want in the other room into the hole in the floor. Push it down at least 24 inches into the hole. You want the coax dangling under the house, so you see it easily.

  3. 3

    Go to the room you want the coax cable to go in and decide where you want the coax cable. Lightly tap across the wall until you hear the sound change from a hollow sound to a solid sound.

  4. 4

    Place a sticky note on the part of the wall that sounded solid. Tap on the wall to the right or left side of the sticky note until you hear a solid sound. Place another sticky note on the wall where the sound is solid. The hollow sounding area is between the studs.

  5. 5

    Cut out a 3-inch wide by 4-inch high rectangle on the wall in between two studs about 6 inches from the floor. Check under the house for any electrical wires or beams in the way. Make sure there isn't an electrical socket on either side of the wall where you cut out the piece of the wall. Keep the rectangle for repairing the wall.

  6. 6

    Drill a hole at an angle though the floor inside the hole you cut in the wall. This hole is where the coax comes through the floor.

  7. 7

    Untwist a coat hanger and push it down through the floor. Feed half of the coat hanger through cut out hole in the floor.

  8. 8

    Go under the house. Pull the coax cable hanging under the house to the area where the coat hanger is. Tape the end of the coat hanger to the end of the coax cable.

  9. 9

    Go in the house to the room with the coat hanger, and pull up on the coat hanger. Wiggle and pull on the hanger until the coax cable pulls through the hole. Pull the desired needed amount of coax cable.

  10. 10

    Slide the coax cable through the hole in the clip in the electrical socket box. After the wire is in place, push the clip in the electrical box in place; it will snaps into place. Attach a coaxial box plate on top using the screw that comes with it and a screwdriver, and you are finished.

Tips and warnings

  • Always check for electrical lines, beams, plumbing or pillars that might be in the way of drilling.

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