Telephone Cable Wire Colours

The simplest color scheme is used on normal station cable what your phone tech may call jk which has only two pairs of wire.

Telephone cable wire colours.

Cable securing methods may differ depending on the make of the socket. The background color always matches the tracer color of its paired conductor and vice versa. 99 2 50 item 5 69 5 69. Repairmen in fact refer to the wires in terms of pairs so technically a standard four wire telephone line has two pairs.

A second telephone line with a different phone number would terminate on solid black and solid green. This applies to underground fed properties with older bt cable and bt overhead dropwire. For a single phone line only the green and red pair are normally used. Red green yellow and black.

The white wire with an orange stripe is terminated on the black tip screw. Colour codes bt openreach are using new cables with new colour codes. The solid blue wire is the ring and gets connected to the red jack terminal. The solid orange wire is the ring and is connected to the yellow jack screw.

The first colour identified is the base colour of the plastic insulation the second colour is printed over the first. You may encounter two different wire color schemes while working on your phone wiring. Thread the tie through the slot hole in the back of the faceplate. Spread out the individual wires so that you can identify the colours.

Normally the first pair used for your telephone line is solid orange solid white. The old wiring scheme was as follows connector 2 blue with white rings connector 3 orange with white rings connector 5 white with blue rings this has now changed to connector 2 blue connector 3 brown connector 5 orange the ring wire or bell wire. Color code chart plastic insulated communication cables 25 pair unit colors pair number ring color tip color pair number ring color tip color 1 blue white 13 green black 2 orange white 14 brown black 3 green white 15 slate black 4 brown white 16 blue yellow 5 slate white 17 orange yellow 6 blue red 18 green yellow 7 orange red 19 brown yellow 8 green red 20 slate yellow 9 brown red 21 blue. Lowest price in 30 days.

Imbaprice 50 feet long telephone extension cord phone cable line wire white. Put the cable in place and tighten the tie see diagram below. Color code schemes are used to identify wires within a cable. The conventions for eight strand wire are as follows.

The first pair has one green wire tip and one red wire ring. The major or primary group of colors consists of the sequence of white red black yellow and violet. Price may vary by color imbaprice pack of 2 black coiled telephone phone handset cable cord coiled length 3 to 12 feet uncoiled value pack 4 5 out of 5 stars 990. Office product 12 off.

White with blue mark goes with blue with white mark for one phone line etc. The minor or secondary color was chosen from the sequence blue orange green brown and slate. For example green white means green base white overprint white green means white base green. Line 1 uses the red green pair.

Bt external overhead cable contains 3 red or 3 yellow wires. They are used in pairs for each phone line you have. The white wire with a blue stripe is terminated on the green tip screw. In a typical home the telephone cables connecting your phones within you home contain four wires.

The second pair has one black wire tip and one yellow wire ring.