![](img.php?category=computer_tips&src=phone_wire_colors.jpg)
Computer Tips - Phone wire colors
Date: 2023oct9
Keywords: landline, VOIP
Q. Phone wire colors
A.
First line
green = tip
red = ring
Second line
black = tip
yellow = ring
Commercial
white & blue = tip (so connected to green)
solid blue = ring (so connect to red)
![](img.php?category=computer_tips&src=phone_wire_colors.jpg)