120v Wiring Colors
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.
120v wiring colors. In other jurisdictions only a few conductor colors are so codified. 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. White or with 3 white stripes neutral. 120 208 240 volt ac wire color codes.
Typical power wiring color codes. The iec dc wiring color codes are adapted from iec ac wiring color codes. In that case local custom dictates the optional wire colors. 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.
The color of the sheathing indicates recommended. Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires. Electrical wiring color codes. In some jurisdictions all wire colors are specified in legal documents.
The following iec dc wiring color codes are used for two wire grounded two wire ungrounded and three wire grounded dc power systems. 120 208 240 volt ac wiring color codes in usa. 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. Electrical wiring color code guide.
Black phase 1. Non metallic or nm 120 volt and 240 volt electrical cable come in two main parts. Electrical cable and wire color markings. 120 208 240 volt ac wire colors.
What follows here is the standard coloring for wires throughout a home. 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. 277 480 volt ac wire color codes. Standard colors used for home wiring.
The wire that carries the current from the power source to the outlet or receptacle is the hot wire. Blue phase 3. Dc supply wire color codes. 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.
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. Ac power 120 208 240 volts ac power comes in many different types based on how many volts the wires will be carrying. 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. Red phase 2.