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    foster1's Avatar
    foster1 Posts: 2, Reputation: 1
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    #1

    Jul 28, 2010, 06:46 PM
    Old phone line only has 3 white wires. How do I update that?
    I am doing work in my basement and I went to run the new phone line and realized the old phone line is made up of only 3 white wires (no rings or bands of any color), just solid white. Any idea what I should do? Or do I just have to play with the connections until they work?
    Missouri Bound's Avatar
    Missouri Bound Posts: 1,532, Reputation: 94
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    #2

    Jul 28, 2010, 06:52 PM

    On a regular phone line you only need two wires. Pick up a cheap phone line tester at Radio Shack and you can determine which wires are needed. The tester will help you find the correct polarity.
    foster1's Avatar
    foster1 Posts: 2, Reputation: 1
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    #3

    Jul 28, 2010, 07:33 PM

    Okay, I figured this one out after stripping the lines. The lines were marked in a fashion I have never seen before. The fibers inside the line that ran next to the copper were dyed. They were dyed green, yellow and red. I didn't notice this on my first inspection as the lines were not stripped.
    Missouri Bound's Avatar
    Missouri Bound Posts: 1,532, Reputation: 94
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    #4

    Jul 29, 2010, 04:32 AM

    Green and red should be the ones... just get the polarity correct.
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