hook up second phone line

Irma Powers, 37 years old


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Two-line phone options are seemingly limitless. Retailers advertise a plethora of phones with multiline capabilities. There are two-line business phones, two-line touch phones and two-line cordless phones. Two-line cell phones are even an option now. All telephones have a jack where you plug in the phone cord. The phone jack is connected to the wall jack, which connects to the telephone company's wiring. The phone jack is lined with contacts , or conductors, that recognize the wires inside the cord and establish a connection with the line.

In this Article: This hook up second phone line teaches you how to wire a landline telephone from your home's phone box also known as a Network Interface Device to your home's telephone jack. While most phone companies will perform this task for you, it is often cheaper to complete the installation yourself. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Cabling and Wiring Connection.

This application note will attempt to take any novice through the process. Or at least give you some pointers that will help. A phone line uses two conductors.
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Homeowners rarely attempt to work on their own phone system — but they should. Projects such as installing a new line are fairly easy to do, the work is relatively safe, and you probably have most of the tools on hand. Best of all, you can save yourself a bundle. And electricians who do phone work aren't any cheaper. We'll show you how to install a second phone line — not another extension but a line with its own dedicated number. Another line comes in handy for a home business and Internet use, and to keep your kids from tying up the phone you use. What you learn from this project will help you with other upgrades and repairs. How to Add a Second Line The first step to adding a line is to contact the local telephone company and request a second line. The company will make the required wiring changes at your Network Interface Device.

Telephone jacks can be either flush or surface mounted, so be sure to buy a replacement jack that fits your particular setup. Also, never work on a phone line during a thunderstorm, since lightning can travel down the wire causing serious injury. 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. On older interface boxes without a test jack, unscrew the terminals and detach the wires, remembering which one went on which terminal. 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. 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. 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. After removing the wires from the old jack, attach them to the new one.

With the technology and convenience of cordless phones, it is easier than ever to have a telephone right where it is wanted or needed, but cordless phones are not practical in every situation. If left off the cradle for extended periods of time, the battery eventually discharges, and although portable telephone cradles for cordless landline phones are available, they do not always solve the problem. Telephone jacks are necessary for dial-up modems, fax machines, and some satellite connections. Plug-in portable wireless phone jacks are an option, but they are not cheap, and they are not always practical since they take up valuable outlet space. Sometimes it is necessary to add an extra telephone extension for convenience and practicality. Many people contact the phone company and pay a hefty fee for an extra extension, but it is possible to add an extra extension without hiring a professional. Phone problems are also a common concern, and many people pay monthly inside wire protection fees. It is wise to initially sign up for an inside wire protection plan just to make sure the inside wiring is in good working condition.