Since electrical problems can result in fatal injury or fires its important to be able to identify wires based on color. All wiring looks the same on the inside but the outside coverings come in different colors.

Electrical Wall Plug Wire Connections White Black Ground
How to identify neutral wire. In most modern fixtures the neutral wire will be white and the hot wire is red or black. When it comes to ac power neutral wire color varies depending upon voltage. The copper wire is called the ground wire because it is connected to the earth either directly or through another grounded conductor. In some types of fixtures. The user is protected from electric shock by the plastic insulation of the cables. Inside the fire the brown live wire and the blue neutral wire connect to a plastic connector.
The white wire is the neutral wire which takes any unused electricity and current and sends them back to the breaker panel. How to identify hot wire. It provides the return path for the current provided by the hot wire. The white wire is the neutral wire. The standard color for your hot wire is black. How to identify neutral and ground wires.
The greenyellow earth wire connects to the metal case of the fire. How to identify a hot neutral and ground wires using digital multimeter and a probe. If the person who installed the wiring followed regulations the house wiring colors should give away the identity of the hot and neutral wires. Color is usually the best way to identify electrical wiring. The side of the cord that has lines on one side identify that side as the neutralthe neutral wire of a 120 volt circuit is typically the white wire. Flat light fixture cords have two indications that are fairly easy to identify which will reveal how each wire is connected.
The black wire is the hot wire which carries the electricity from the breaker panel into the switch or light source. Identify the neutral wire in the fixture by looking at the wires.