How Do You Wire Your Own Residential Telephone Line?


Quick Answer

To wire your own residential telephone line, disconnect supply of power to the network interface device box, insert and pull out a cable from it, and connect the cable's color-coded wires appropriately to the jack's terminals. Then, route the cable to the telephone's future location, and connect its wires appropriately to a RJ-14 jack. Finally, check if the wiring is done properly.

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Full Answer

Begin wiring your own residential telephone line by disconnecting the modular connector within the NID box located on a wall close to the spot where the phone line enters the home. Then, identify a grommet made of rubber or an opening at the box's base or side, push in a phone cable via it, and pull out from within the box. Remove 3 to 4 inches of the cable's insulation with diagonal pliers, and take out 3/4 inch of insulation from all the color-coded wires inside.

Now, loosen the jack's terminal screws by turning them counter-clockwise, and wrap the green and red wires around the green and red terminal screws, respectively, of Line 1. Similarly, connect the black and yellow wires to the green and red terminals, respectively, of Line 2. Tighten the screws by turning them clockwise.

To route the cable inside the house, run it along the walls and corners or via the ceiling, and secure using cable staples. Avoid positioning the cable next to power lines. Then, pull out the cable by a foot from within the wall, and cut.

Next, connect the cable's color-coded wires to the RJ-14 jack as before, and mount the jack on a wall using screws or mounting tape. After connecting the phone to the jack, plug in the NID box's modular connector, and check the phone for a dial tone.

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