According to standards in use since the mid-1900s, a wire color code identifies the purpose of each wire in an electrical circuit the white wire is always neutral, and when the cable has only two conductors, as most 120-volt cables do, the hot wire is black the ground wire is usually left bare, but in some cases, the ground wire color is green. Home wiring colors red black and white. When wiring a panel or installing breakers, identify wire color to insure that when you are sharing the neutral the black is on phase 1 and red wire on phase 2 if not color all phase 2 wires with.
home wiring colors red black and white
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. House wiring & electrical wire colors. posted on february 28, 2014 by complete electrical solutions. the home wire color code was created for safety and convenience. it allows electrical workers to identify wires and work with them without risk. never attempt to use a black wire as a neutral or ground wire. red:. What do electrical wire color codes mean? for one cable i have a red, orange, white and a sky blue kind of colored wire. and for the other one i have a red, black, white and green wires. basically no standards and people were being electocuted on a regular basis.national electrical code changed that in home wiring black is always hot.
get link reference