Live And Neutral Colors
Three phase lines are red black and blue.
Live and neutral colors. Live wire is the cord through which the main heavy current flows at 220 volt. Wiring colour codes for ac and dc power distribution circuits have changed on numerous occasions and vary depending on region. Though it serves nothing. If the person who installed the wiring followed regulations the house wiring colors should give away the identity of the hot and neutral wires.
Canada ac power circuit wiring color codes. All wiring looks the same on the inside but the outside coverings come in different colors. Below we have also included some of the more common colour codes used throughout the us and europe in case you have imported appliances and wiring. For three phase electricity supply circuits will use five wires.
The neutral wire is joined in conjunction with the live wire to balance the potential difference. The neutral wire is at potential of zero volt. Color is usually the best way to identify electrical wiring. Neutral black note the installation colour codes are quite flexible so caution is needed actives phases can be almost any colour and are sometimes the same colour.
The neutral is white the hot live or active single phase wires are black and red in the case of a second active.