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Telephone Wiring Color Code Tip and Ring Chart

Close Shot of the Rear of a Standard American Telephone Jack
"Tip +" Refers to that side of a two wire telephone circuit which is connected to the positive side of a battery at the telephone company central office.
"Ring -" Refers to that side of a two wire telephone circuit which is connected to the negative side of a battery at the telephone company central office.
 
 
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Telephone Jack With a Wall Plate
The front of the telephone jack
 
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Blue Pair Twisted Telephone Wires Connected To The Telephone Jack
 
The blue pair is connected as the primary telephone line.  The solid blue wire is the “Ring” and gets connected to the red jack terminal.  The white wire with a blue stripe is terminated on the green “Tip” screw.
 
 
Tip +
Ring -
Green
Red
 
Black
Yellow
Pair 1 White with blue stripe Blue
Pair 2 White with orange stripe Orange
Pair 3 White with green stripe Green
Pair 4 White with brown stripe Brown
 
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Orange Pair Being Used as the Primary Telephone Line
 
Here the orange pair is connected as the primary telephone line.  The solid orange wire is the “Ring” and is connected to the red jack terminal.  The white wire with an orange stripe is terminated on the green “Tip” screw.
 
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Telephone Jack Rear With Orange and Blue Pairs Connected
 
The blue pair and the orange pair are both connected to the telephone jack.  A splitter plugged into the jack will enable the use of two separate telephone lines.   The solid blue wire is the “Ring” and gets connected to the red jack terminal.  The white wire with a blue stripe is terminated on the green “Tip” screw.   The solid orange wire is the “Ring” and is connected to the yellow jack screw.  The white wire with an orange stripe is terminated on the black “Tip” screw.
 
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Close Shot of a Telephone Jack Splitter
 
 
A Telephone Jack Splitter enables two lines to be used from one wall jack.
 
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Cat 5e Four Twisted Pair Unshielded Telephone Wire
 
Cat 5e twisted four pair unshielded telephone wire
 
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Updated April 12, 2018

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