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How do I wire an older phone jack?

By Dave Rongey - Summary:

Telephone jacks are typically wired to a standard configuration. The basic single line phone using the…

Electrical Question from Lesli about Telephone Wiring

Question: Is the wiring on a phone jack the same even if the one being replaced is very old and looks different than the ones showed on web?

Dave’s Reply:
Thanks for your electrical question Lesli. Telephone jacks are typically wired to a standard configuration. The basic single line phone using the green red pair for older homes and the Blue  and Blue/White pair for newer homes. For a conventional home telephone, there is just one pair of two wires needed to operate the telephone service. The most typical mistake is to have the two wires reversed which is easily remedied by reversing the pair at the phone jack.

The Following links will assist you with your electrical question:

Telephone Wiring Diagrams

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Do-It-Yourself Electrical

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