Phone Wiring Color Code Book
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.
Phone wiring color code book. Binder color pair range white1 600 red601 1200. All of the cat 5 wire i ve seen uses the following color coding. Cec color code for canada. This solid color code actually goes up to 25 pair however the colors will frequently vary from one manufacturer to another on pairs beyond white blue.
For all new telephone wiring projects you should use cat 5 cable. Older telephone wiring was a basic cat 3 4 conductor or 2 pairs with red green black yellow. Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires. White red white black white yellow white violet red black red yellow red violet black yellow black violet yellow violet blue orange blue green blue brown blue slate orange green super unit binder colors for full color code s u.
The kind of wire shown above has recently become obsolete. In that case local custom dictates the. Before that it had its own code for electrical wiring. Also buy wiring materials and tools here.
Advice for home phone wiring and jacks with information about adding second or third line dsl and reference for wire color codes. Color code one is the old solid color code. Ground ground wiring can be green or green with a yellow stripe. The wire pair colors are blue orange green and brown.
In some uncommon situations one phase will have a higher voltage than the others. In the old iec color code all the lines in three phase supply are either brown or black. Most phone wire installed in the u s. This created a lot of problem.
Neutral neutral wiring should be white. Not used in new installations anymore pair one green and red used for phone line 1 pair two yellow and black used for phone line 2 pair three white and blue used for phone line 3 pair four brown and orange used for phone line 4 color code two is the new industry standard used today. Phase 3 phase 3 wiring should be blue. Tip ring green.
Uk started using the iec code from march 2014. During the second half of the 20th century is of the following kind. In some jurisdictions all wire colors are specified in legal documents.