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.
What are the 3 colored wires?
- Green, Green with Yellow Stripe, or Bare Copper: Ground Wires.
- Black: Hot Wire.
- Red: Hot Wire.
- Blue and Yellow: Hot Wires.
- White or Gray: Neutral Wires.
What colour wires are positive and negative?
The positive current must be red. The negative current must be black. The ground wire, if present, must be white or grey.
What is the colour coding of automobile?
|Black||Red||Electric or electronic speedometer to sensor|
|Black||Purple||Temperature switch to warning light|
|Black||Green||Relay to radiator fan motor|
|Black||Light green||Vacuum brake switch or brake differential pressure valve to warning light and/or buzzer|