120v Color Code
Ac power 120 208 240 volts ac power comes in many different types based on how many volts the wires will be carrying.
120v color code. Dc supply wire color codes. 120 208 240 volt ac wire color codes. 277 480 volt ac wire color codes. Different codes are popular in different areas.
Rgb color space or rgb color system constructs all the colors from the combination of the red green and blue colors. Each leg can provide 120v hot to neutral and the two legs together will supply 240v which is used to supply heavy loads such as air conditioning compressors and cookstoves. 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. European iec wire color codes.
White or with 3 white stripes neutral. Typical power wiring color codes. Black phase 1. Iec most of europe ac power circuit wiring color codes.
The older color codes in the table reflect the previous style which did not account for proper phase rotation. Function label color iec. Click to expand infographic. The wire color codes followed in usa for ac supply may be categorized in three sub categories depending on the nature and range of ac supply.
Red phase 2. The incoming 240v power is split into two legs. The iec dc wiring color codes are adapted from iec ac wiring color codes. This makes 256 256 256 16777216 possible colors.
Homes in north america are supplied with a 120 240v single phase electrical service. These rules are applicable in the uk eu and all other countries who follow the new iec color codes instead of local and regional codes. Most european countries follow a wire color code established by the international. The red green and blue use 8 bits each which have integer values from 0 to 255.
Electrical wiring color code guide. For wires that will be 120 208 or 240 volts the following wiring color standards are used. International electrical wiring color codes. 120 208 240 volt ac wiring color codes in usa.
The protective ground wire listed as green yellow is green with yellow stripe. I have seen industry wide identification of fire alarm ac cable externally identified red but not branch circuits. Other areas rely on common practice. Some local jurisdictions in our area have required type ac mc cable to be marked externally with a color code to identify as high voltage 480 277 volt v or low voltage 240 120v.
In some areas a color code is specified by law. This article describes the electrical wiring color code conventions for 120v or 240v ac circuit wiring in buildings in canada the u s the u k.