Telephone Jack Wire Colors. Thread the new wire through the hole in the phone jack casing and screw the casing back to the wall. Install your telephone jack if necessary.
This electrical question came from. Newer homes can have anything from Cat-3 3-pair on up to Cat-5e with 4-pairs with the insulation colors being a combination of solid and solid with white for each wiring pair. In a typical home the telephone cables connecting your phones within you home contain four wires.
The first pair has one green wire tip and one red wire ring.
The simplest color scheme is used on normal station cable what your phone tech may call JK which has only two pairs of wire. 1 The terminals that have the red and green wires connected to them is the 1st phone line. Dave The Electricians Reply. White-with-blue-stripe wire to green terminal Line 2 secondary line.
