Electrical Wiring Diagram Color Code

In principle any other colors except these may be used for the power conductors. The us national electrical code only mandates white or grey for the neutral power conductor and bare copper green or green with yellow stripe for the protective ground. For 120208240 v single phase the live cable is lack or red the neutral cable is white colored while the protective earth can be green bare or striped green and yellow in color.
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It is to wiring diagrams and circuits as what ohms law is to electricity and e mc2 is to energy and matter.

Electrical wiring diagram color code. The common color code for three phase in on or behind the wall electrical wiring is shown below. Electrical cable wiring diagram in the united states. Try it for yourself. The power source for color coding is the color code legend fig.

In three phase power supply the combination of black red and blue wires for power conductors are used for 120240v ac whereas the combination of brown orange and yellow wires for power conductors are used for 277480 v ac. Uk ac power circuit wiring color codes. The color code legend was born from the process of identifying the simple within the complex. Use green or green wyellow stripes dc grounding conductors black or yellow dc negative conductors red dc positive conductors engine and accessory wiring color code colour item use yellow wred strip yr starting circuit starting switch to solenoid brownyellow stripe by or yellow y see note.

What the color of an electrical wire means. This color of wire is used to transfer power to switches and outlets in all types of circuits. General wiring color code. There are two color codes available in the united states for different voltages.

Also black wires are often used as switch legs in circuits which is the connection linking a switch to the electrical load.