Solved why is there 3-wire telephone wire in my house (R, G. Y)

September 8, 2017 at 13:11:18
Specs: Windows 10
have a 3 wire house telephone cable, trying yo change out an old 4 prong RCA plug for an RJ11 - how do I wire the wall plate connector?

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#1
September 8, 2017 at 13:24:35
Which country are you in?

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#2
September 8, 2017 at 13:34:29
✔ Best Answer
If you're in the US, there's usually 4 wires but only two are needed. The other two wires are for a 2nd line. Red & green is for one line, yellow & black for the other.

https://3.bp.blogspot.com/-FEGmp3r2...


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#3
September 8, 2017 at 14:37:21
Check this older post; it may help. But we really need to know which country you're in if we are to help successfully.

https://www.computing.net/answers/h...


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