How to Install a Phone Junction Box


If you are one who uses landline telephones, knowing how to install a junction box can go a long way in helping you to add extensions. One thing to remember about telephone wire is its gauge. The very thin wire is easy to break while working with it. Another point to keep in mind is that while telephones do not use a lot of electricity , they do use enough to shock you should you come into contact with the certain wires.

Things You'll Need

  • Slotted screwdriver
  • Variable speed drill
  • 1/16-inch drill bit
  • Staple gun
  • 1/4-inch staples
  • Electrical tape
  • Locate a good place to install the phone junction box. Recommendations include basements next to the ceiling.

  • Remove the cover from the box with a slotted screwdriver. Hold the junction box in place and mark the installation holes with a pencil. Remove the junction box and drill pilot holes with a 1/16-inch drill bit.

  • Secure the junction box in place with the 1-inch wood screws. Run the telephone cable from where it enters the house to the junction box. Secure the cable every 6 or 8 inches with staples. Feed 6 inches of the cable into the junction box.

  • Strip the outer covering of the cable with a utility knife to reveal the wires inside. If there are more than four wires in the cable, use the red, yellow, black and green. Strip 1 inch of the insulation from each of the four wires.

  • Loosen the screws in the junction box with a slotted screwdriver. Connect the colored wire to its matching terminal; yellow-to-yellow and so on.

  • Tighten the screws sufficiently to hold the wires in place. In the event there are more wires inside the cable, tape the remaining wires together and place them out of the way inside the box. Replace the cover.

Tips & Warnings

  • Strip the telephone wires with care.
  • Do not allow the staples to cut into the cable while installing it.

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  • Photo Credit Hemera Technologies/ Images
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