Power line color and classification

The significance of different colors of Zhihe Power Cable is also different, so you must figure out when wiring. Each color is useful, and only reasonable wiring can be better used.

The blue line of the power line manufacturer represents the zero line. The yellow, green, and red line usually represents the U, V, and W of the three -phase line, and the yellow -green two -color line represents the maintenance of the ground line. Also, white is rarely used, and black is connected to the electrical equipment box and the cabinet.

The national standard is red, yellow, and green, and blue is the zero line; the ground line is yellow -green two -color line. There are three types of colors in front. Sometimes the color of the front floor is different. Usually, what color lines are developers in the room originally, and the circuit is transformed.

Generally speaking, as long as the parent line is required to follow the rules of the color; color rules: A phase is yellow, B phase is green, C phase is red, neutral line (that is, zero line) is light blue, maintaining the neutral line (Line) is yellow -green.

In the car electrical line, different uses of the wires are different from different colors to facilitate the installation and maintenance of the car circuit. External lighting system such as front lights and fog lights: blue. Various auxiliary motors and electrical operation systems: gray. Auxiliary equipment systems such as losers, electronic clocks, cigarette lighters, etc.: purple.