成套电气厂家依导线颜色标志电路时
When the complete set of electrical manufacturers mark the circuit according to the conductor color
1、 黑色:装置和设备的内部布线。
1. Black: internal wiring of devices and equipment.
2 、棕色:直流电路的正出彩。
2. Brown: positive pole of DC circuit.
3 、红色:三相电路和C相;
3. Red: three phase circuit and C phase;
半导体三出彩管的集电出彩;
The collector of semiconductor triode;
半导体二出彩管、整流二出彩管或可控硅管的阴出彩。
The cathode of a semiconductor diode, rectifier diode, or thyristor.
4、黄色:三相电路的A相;
4. Yellow: phase a of three-phase circuit;
半导体三出彩管的基出彩;
The base of semiconductor triode;
可控硅管和双向可控硅管的控制出彩。
The control pole of thyristor and bidirectional thyristor.
5、绿色:三相电路的B相。
5. Green: phase B of three-phase circuit.
6、蓝色:直流电路的负出彩;
6. Blue: negative pole of DC circuit;
半导体三出彩管的发射出彩;
Emitter of semiconductor triode;
半导体二出彩管、整流二出彩管或可控硅管的阳出彩。
Anode of semiconductor diode, rectifier diode or thyristor.
7、淡蓝色:三相电路的零线或中性线;
7. Light blue: zero line or neutral line of three-phase circuit;
直流电路的接地中线。
Ground neutral of DC circuit.
8、白色:双向可控硅管的主电出彩;
8. White: main electrode of bidirectional thyristor;
无精选用色的半导体电路。
Semiconductor circuit without specified color.
9、黄和绿双色(每种色宽约15~100毫米交替贴接):安全用的接地线
9. Yellow and green color (each color is about 15 ~ 100 mm wide, alternately attached): safe grounding wire
10 、红、黑色并行:用双芯导线或双根绞线连接的交流电路。
10. Red and black parallel: AC circuit connected by twin conductor or twisted pair.

依电路选择导线颜色时
When selecting wire color according to circuit
1、交流三相电路的
1. Design of AC three phase circuit
A相:黄色;
Phase A: yellow;
B相:绿色;
Phase B: green;
C相:红色;
Phase C: red;
零线或中性线:淡蓝色;
Zero line or neutral line: light blue;
安全用的接地线:黄和绿双色。
Safety ground wire: yellow and green.
2、用双芯导线或双根绞线连接的交流电路:红黑色并行。
2. AC circuit connected by twin conductor or twisted pair: red and black in parallel.
3、直流电路的正出彩:棕色;
3. Positive pole of DC circuit: Brown;
负出彩:蓝色;
Negative electrode: blue;
接地中线:淡蓝色。
Neutral grounding line: light blue.
4、半导体电路的半导体三出彩管的集电出彩:红色;
4. Collector of semiconductor triode of semiconductor circuit: red;
基出彩: 黄色;
Base: yellow;
发射出彩:蓝色。
Emitter: blue.
半导体二出彩管和整流二出彩管的阳出彩:蓝色;
Anode of semiconductor diode and rectifier diode: blue;
阴出彩:红色。
Cathode: red.
可控硅管的阳出彩:蓝色;
Anode of thyristor: blue;
控制出彩:黄色;
Control pole: yellow;
阴出彩:红色。
Cathode: red.
双向可控硅管的控制出彩:黄色;
Control pole of bidirectional thyristor: yellow;
主电出彩:白色。
Main electrode: white.
5、整个装置及设备的内部布线一般推荐:黑色;
5. The internal wiring of the whole device and equipment is generally recommended: black;
半导体电路:白色;
Semiconductor circuit: white;
有混淆时:容许选精选用色外的其它颜色(如:橙、紫、灰、绿蓝、玫瑰红等)。
In case of confusion: it is allowed to choose other colors (such as orange, purple, gray, green blue, rose, etc.) other than the specified colors.
6 、具体标色时,在一根导线上,如遇有两种或两种以上的可标色,视该电路的特定情况,依电路中需要表示的某种含义进行定色。
6. For specific color marking, if there are two or more kinds of color marking on a wire, the color shall be determined according to the meaning of the circuit according to the specific situation of the circuit.