Why so many colors and what do they all mean?

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Old 12-02-08, 05:26 PM
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Why so many colors and what do they all mean?

I have a phone jack about 5' off the ground (it was behind a wet bar that I removed). The wire bundle (12 total) comes from above. The wires connected to the jack were blue/white, white/blue, brown/white, and white/brown and have no extra length. (This jack used to support two lines back in my dial-up days.) There are 8 wires rolled in a bundle that appear to have enough length to reach close to the floor. Can any of these be used to make a live jack? Thanks.
 
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Old 12-02-08, 06:37 PM
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Depends where they originate from. Sounds like a Cat5 cable or two. Cat5 cabling can be used from telephone to internet usages.
 
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Old 12-03-08, 04:46 AM
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If this mass of wiring circulates through the house, like mine does, you can use any pair. If you can, connect the new pair at the point where it leaves the NID (where the line enters the house) and put a note on it to remind you and the next owner why and where it's used.

Line 1 is normally blue, 2 is orange, 3 is green, and 4 is brown.
 
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Old 12-03-08, 07:27 AM
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Originally Posted by Rick Johnston View Post
If this mass of wiring circulates through the house, like mine does, you can use any pair. If you can, connect the new pair at the point where it leaves the NID (where the line enters the house) and put a note on it to remind you and the next owner why and where it's used.

Line 1 is normally blue, 2 is orange, 3 is green, and 4 is brown.
Let's make sure I understand correctly. Right now, the blue/white pair is connected at the NID to the two terminals the red and green wires from the outside are connected to. So I take another pair, say green, connect them to the same red & green NID terminals, then connect the green pair to my jack? There's no voltage on these wires I need to worry about is there?
 
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Old 12-03-08, 09:20 AM
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why wouldn't you just continue to use the blue white pair ?

there isn't enough voltage to worry about but to be safe you can just disconnect everything at the NID while you are working on it
 
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Old 12-03-08, 09:43 AM
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Originally Posted by mango man View Post
why wouldn't you just continue to use the blue white pair ?
The blue/white pair was cut at the height of the current jack which is 5' above the floor. The bundle comes from above so if I want to drop the jack down I either have to use a different pair (the unused wires were not cut) or solder extensions to the blue/white pair. Is there any kind of code that makes that a no-no?
 
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Old 12-03-08, 09:51 AM
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no code violation you can bring dial tone in on any pair you like if you prefer not to splice the white blue
 
 

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