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    carol.presnall's Avatar
    carol.presnall Posts: 1, Reputation: 1
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    #1

    Dec 27, 2009, 08:10 AM
    Phone jack wiring colors
    We have a phone system for 2 lines. We just had a room painted and the phones no longer work on line one. Can you help?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #2

    Dec 27, 2009, 08:42 AM

    Red and green are usuall line 1 and connect to red and green. Yellow and black are usuall line 2.
    Category Rated wiring(Unshielded twisted) pairs, usually connect:
    White/blue to green. Blue/White to red.
    White/orange to black and orange/white to yellow.


    I have seen electricians connect Green/white to green, because it is closest to Green, and for a red, they use the Orange/white as it looks closest to red. There is no red in the smaller twisted pairs.
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