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Replace a Phone Jack

A dead line or static on your phone may be due to bad wall jack. Replace it in 10 minutes.

By the DIY experts of The Family Handyman Magazine

Replace a wall jack

When your phone quits working or static develops on the line, your phone jack may need to be replaced. We'll show you how to handle the wiring and replace that phone jack. Remove the two screws on the jack faceplate and disconnect the old jack (Photo 1). Hold on to the wire when you remove the jack so it doesn't slide out the back of the box. If the ends of the wires are free of corrosion, you can reuse them, but if not, cut them back (leave enough wire to work with) and strip off 1/2 in. of sheathing. Photo 2 shows you how to reconnect those wires. If the wires from the wall and the jack are the same color combination, simply match them up. If they don't match, see the chart. Before you mount the new jack to the wall, make sure the bare wires don't touch each other.

Use this chart to help you match up wires correctly.

Use this chart to help you match up wires correctly.

Wire Matching Chart

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Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • 4-in-1 screwdriver
    • Needle-nose pliers

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

    • New wall jack

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Replace a Phone Jack

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