240v Wiring Colors
Non metallic or nm 120 volt and 240 volt electrical cable come in two main parts.
240v wiring 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. The outer plastic sheathing or jacket and the inner color coded wires the sheathing binds the inner wires together and its outer markings indicate the number of wires and size of wire gauge within the sheathing. Note the reversal of the active and neutral wires depending on whether you are wiring a socket or a plug. The following diagram shows the australian plug wiring configuration.
120 208 240 volt ac wire colors. You can find 240v appliances that only require two hot wires and a ground. For wires that will be 120 208 or 240 volts the following wiring color standards are used. Electrical cable and wire color markings.
Note the reversal of the active and neutral wires depending on whether you are wiring a socket or a plug. Standard wire colors are. Standard wire colors are. If you re replacing drier or an older cooking appliance the instructions may let you know which you are able to by replacing the cord link it to a current three cable 240v circuit.
The wires or conductors in those circuits are classified based on wiring type size and color and it is the color of the wire s insulation which designates the function of the wire. Mostly 120v and 240v there is a second hot or phase wire in 240v single phase ac system. Hot live black neutral white ground green multiphase 120 208 240v phase 1 black phase 2 red phase 3 blue neutral white earth green green. In the united states the following color codes are typically used for power wires in branch circuits the wiring between the last protective device such as a circuit breaker and the load such as a tool or appliance.
It is important to note that with this type of wiring there are multiple phases in place each of which will get its own color wire to make it clear what it is for those working on it. Electrical wiring color codes. Quoting from authoritative codes standards for each region we provide a table summarizing the current and prior wiring color code conventions used by electricians in building wiring. The mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white.
Electrical wiring color code guide. Understanding the information those colors convey helps you work with greater safety and ease when troubleshooting an electrical problem or making repairs or improvements to your electrical system. The diagrams below show wiring for an australian 240v mains cord plug and socket. The diagrams below show wiring for an australian 240v mains cord plug and socket.
They may nevertheless be effective at working with either kind of wiring.