How to Connect a Phone Line to a Wall Jack

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Your land line telephone is a very important piece of equipment. It allows you to communicate with people no matter where they are. Having a telephone located in various areas of your house can provide a lot of convenience and privacy, but calling a lineman to install additional phone jacks can be a bit expensive. Connecting a phone line to a wall jack is easy. You can save yourself some cash by learning how to connect a phone line to a wall jack.

Things You'll Need

  • Screwdrivers
  • Wire stripper
  • Cable staples
  • Needle-nose pliers
  • Telephone wire
  • Telephone jack
  • Cut off the power supply to the phone lines by unplugging the main wire at the telephone interface box. The telephone interface box is normally mounted on an outside wall closest to where the phone line runs into your house. Simply open the box and unplug the line from the jack inside.

  • Measure the length of telephone wire needed by running a measuring tape along the path of the telephone wires to be installed. Measure from the location of an existing phone jack to the point where you will install the new phone jack, and add 6 inches on each end to allow some slack.

  • Strip off about 2 inches of the outer insulation, but do not nick the inner wires. Cut back ½ inch to ¾ inch of the insulation around each inner wire. Inside the telephone wire, you'll see four inner wires: red, green, black and yellow. Perform this procedure on both ends of the wire.

  • Uncover the existing jack and connect the new telephone wire to the corresponding terminals. Loosen the screws and attach similar colored wires to each terminal (red to red, green to green, black to black and yellow to yellow) using your needle-nose pliers.

  • Run the telephone wire from the existing telephone jack to the spot where you want to install the new telephone jack. Align the telephone wire neatly along the side of the walls and around corners, and fasten the wires to the walls using cable staples.

  • Fasten the new jack to the baseboard. New jacks typically include double-sided tape or a small screw for attaching the jack to a wall. Go to the telephone interface box and reconnect the telephone line. Plug a telephone into the jack and check for a dial tone.

Tips & Warnings

  • If the interface box is inaccessible, take another phone on the same line off the hook to prevent it from ringing. A ringing phone will produce low voltage electricity and can cause a bit of shock.

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References

  • Photo Credit telephone image by musk from Fotolia.com
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