Electrical Wire Color Code Numbers. In case of a three phase power supply the combination of red yellow and blue are used for the active line power conductors black color for neutral conductor and green or green yellow for protective ground. Neutral neutral wires should be grey. Electrical wire color code chart numbers.
Uk new iec wire color codes brown phase hot or line l blue neutral n green yellow earth conductor protective earth pe. Neutral neutral wires should be grey. The idea is to memorize the circuit number color of the first six circuits in a panel. Us dc wire color code.
Uk new iec wire color codes brown phase hot or line l blue neutral n green yellow earth conductor protective earth pe.
Uk new iec wire color codes brown phase hot or line l blue neutral n green yellow earth conductor protective earth pe. Electrical wire color code chart numbers. The list below outlines what the different colour codes mean for both single and multi phased. The wiring color codes which are followed by us based on local practice are divided again into two groups. Current australian colour code multiphase.