Phone Wiring Color Code Book
Ground ground wiring can be green or green with a yellow stripe.
Phone wiring color code book. Hence the new color code is introduced. All of the cat 5 wire i ve seen uses the following color coding. Uk started using the iec code from march 2014. The old color code in uk until 2004 is shown below.
Before that it had its own code for electrical wiring. The kind of wire shown above has recently become obsolete. The wire pair colors are blue orange green and brown. Phase 3 phase 3 wiring should be blue.
In the old iec color code all the lines in three phase supply are either brown or black. Binder color pair range white1 600 red601 1200. In that case local custom dictates the. In some jurisdictions all wire colors are specified in legal documents.
Most phone wire installed in the u s. During the second half of the 20th century is of the following kind. For all new telephone wiring projects you should use cat 5 cable. Color code one is the old solid color code.
Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires. Tip ring green. 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. Cec color code for canada.
In some uncommon situations one phase will have a higher voltage than the others. Also buy wiring materials and tools here. 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. In other jurisdictions only a few conductor colors are so codified.
Neutral neutral wiring should be white. Advice for home phone wiring and jacks with information about adding second or third line dsl and reference for wire color codes. This created a lot of problem.