These color conventions are as follows:Earth wires (called ground wires in the U.S. and Canada): green with a yellow stripe.Neutral wires: blue.Single phase live wires: brown.3-phase live wires: brown,black and gray. Electrical Wire Color Codes and What They Mean - Bryant Electric S Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how Wiring Color Codes | Color Codes | Electronics Textbook wwwboutcircuits››Vol. V - Reference›Color CodesChapter 2 - Color Codes. See Table below. The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue. Canada AC power circuit wiring color codes. Wire Color Coding | Graphic Products The color code for AC power wiring is similar to the code used in the United States: Phase 1 - Red. Phase 2 - Black. Phase 3 - Blue. Neutral - White. Ground - Green with Yellow Stripe.