![]() ![]() Using a utility knife, cut back ½” to ¾” of the insulation around each wire.īend the exposed end of the wire into a “U” shape with needle nosed pliers. If the stripped ends of the wires appear discolored or brittle, cut off the damaged section and strip the outer insulation around the line back a couple of inches, being careful not to nick the wires. These are color coded with red and green normally used for the first line, yellow and black for the second, and blue and white for the third.Īfter removing the wires from the old jack, attach them to the new one. While only two wires are required for a phone to work, the cable usually contains four or more to provide for additional lines or in case one line should fail. Remove the jack from the wall, noting which colored wires are hooked up to the terminals so you can match them to the new one. ![]() If the interface box isn’t easily accessible, take another phone on the same line off the hook to prevent it from ringing while working on it.Īfter checking to be sure the line you’re working on has no dial tone, unplug the phone from the jack. On older interface boxes without a test jack, unscrew the terminals and detach the wires, remembering which one went on which terminal. Open the customer access panel and unplug the test jack. To disconnect the line, find the telephone interface box which is usually mounted on an outside wall where the phone lines runs into your house. Lighted Magnifying Glass That Stays Put.Best Lawn Care Service for Service Dogs. ![]()
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