How to Install an In-Wall Conduit for TV Cables

Written by marshal m. rosenthal
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TV cabling is a necessity when using a cable box or when a video player, such as DVD or Blu-ray), is to be connected. You can hide the TV cables by having them going through a wall, rather than lying in plain sight. An inwall conduit box will enable you to quickly and efficiently connect short-run cables between the video source devices and the TV. Installing the inwall conduit box yourself does not require any special skills, although the actual insertion of the wires through the walls must be handled by a certified electrician in order to avoid violating any local ordinance and building codes. An inwall conduit box can be purchased at a hardware store or from select home theatre-supply manufacturers.

Skill level:

Things you need

  • Grease pencil
  • Template tracing paper
  • Stud finder
  • Hacksaw
  • Phillips screwdriver
  • Soft cloth
  • Vacuum

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  1. 1

    Place an "X" with the grease pencil at the location where you want to install the inwall conduit box, which should be the same area where the TV will placed. If the "X" is to be behind the TV, move the TV and the stand or TV set cabinet it is on away from the wall first so there is room for you to manoeuvre.

  2. 2

    Place the inwall template tracing paper that comes with the inwall conduit box against the "X." Draw the outline of the tracing paper with the grease pencil.

  3. 3

    Place a stud finder against the "X" on the wall. Move the stud finder up, down and then left and right against the length and width of the outline to ensure there is no stud by the non-movement of the needle -- if there is a stud, you will have to move the "X" a couple of inches to either side where the stud finder indicates there is no stud and draw another outline of the tracing paper.

  4. 4

    Cut through the outline with the hacksaw. Remove the cut-out section of wall with your hands. Dispose of it in the trash. Smooth the inside edges with the blade of the hacksaw.

  5. 5

    Remove the front panel face plate from the inwall conduit box by pulling it off -- if there is a screw holding the plate in position, remove the screw first with a Phillips screwdriver. Place the front panel face plate aside for now.

  6. 6

    Hold the inwall conduit box so the open end is facing you. Punch out the holes in the back with your fingers. Dispose of the cut-out metal in the trash. Insert the inwall conduit box into the hole in the wall. Push the inwall conduit box fully into the hole until the front lip of the inwall conduit box is flush with the wall.

  7. 7

    Place the front panel face plate back on the inwall conduit box -- reinsert and screw in the screw to hold it in position if one was present (using the Phillips screwdriver). Wipe the front panel face plate off with a soft cloth. Vacuum the edge of the floor beneath the inwall conduit box. Push the TV and the stand or cabinet it is on back up against the wall.

Tips and warnings

  • A HDMI cable can carry both audio as well as video -- making it unnecessary to run an audio cable through the wall.

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