Phone Wiring Color Code Book
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.
Phone wiring color code book. Cec color code for canada. All of the cat 5 wire i ve seen uses the following color coding. Most phone wire installed in the u s. Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires.
Also buy wiring materials and tools here. In that case local custom dictates the. Uk started using the iec code from march 2014. Binder color pair range white1 600 red601 1200.
The kind of wire shown above has recently become obsolete. 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. In other jurisdictions only a few conductor colors are so codified. 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.
The wire pair colors are blue orange green and brown. For all new telephone wiring projects you should use cat 5 cable. Before that it had its own code for electrical wiring. Ground ground wiring can be green or green with a yellow stripe.
Advice for home phone wiring and jacks with information about adding second or third line dsl and reference for wire color codes. 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. Older telephone wiring was a basic cat 3 4 conductor or 2 pairs with red green black yellow. In the old iec color code all the lines in three phase supply are either brown or black.
Phase 3 phase 3 wiring should be blue. In some uncommon situations one phase will have a higher voltage than the others. In some jurisdictions all wire colors are specified in legal documents. This created a lot of problem.
Color code one is the old solid color code. During the second half of the 20th century is of the following kind. Tip ring green.