成套電氣廠家依導線顏色標志電路時
When the complete set of electrical manufacturers mark the circuit according to the conductor color
1、 黑色：裝置和設備的內部布線。
1. Black: internal wiring of devices and equipment.
2 、棕色：直流電路的正極。
2. Brown: positive pole of DC circuit.
3 、紅色：三相電路和C相；
3. Red: three phase circuit and C phase;
半導體三極管的集電極；
The collector of semiconductor triode;
半導體二極管、整流二極管或可控硅管的陰極。
The cathode of a semiconductor diode, rectifier diode, or thyristor.
4、黃色：三相電路的A相；
4. Yellow: phase a of three-phase circuit;
半導體三極管的基極；
The base of semiconductor triode;
可控硅管和雙向可控硅管的控制極。
The control pole of thyristor and bidirectional thyristor.
5、綠色：三相電路的B相。
5. Green: phase B of three-phase circuit.
6、藍色：直流電路的負極；
6. Blue: negative pole of DC circuit;
半導體三極管的發(fā)射極；
Emitter of semiconductor triode;
半導體二極管、整流二極管或可控硅管的陽極。
Anode of semiconductor diode, rectifier diode or thyristor.
7、淡藍色：三相電路的零線或中性線；
7. Light blue: zero line or neutral line of three-phase circuit;
直流電路的接地中線。
Ground neutral of DC circuit.
8、白色：雙向可控硅管的主電極；
8. White: main electrode of bidirectional thyristor;
無指定用色的半導體電路。
Semiconductor circuit without specified color.
9、黃和綠雙色（每種色寬約15~100毫米交替貼接）：用的接地線
9. Yellow and green color (each color is about 15 ~ 100 mm wide, alternately attached): safe grounding wire
10 、紅、黑色并行：用雙芯導線或雙根絞線連接的交流電路。
10. Red and black parallel: AC circuit connected by twin conductor or twisted pair.
依電路選擇導線顏色時
When selecting wire color according to circuit
1、交流三相電路的
1. Design of AC three phase circuit
A相：黃色；
Phase A: yellow;
B相：綠色；
Phase B: green;
C相：紅色；
Phase C: red;
零線或中性線：淡藍色；
Zero line or neutral line: light blue;
用的接地線：黃和綠雙色。
Safety ground wire: yellow and green.
2、用雙芯導線或雙根絞線連接的交流電路：紅黑色并行。
2. AC circuit connected by twin conductor or twisted pair: red and black in parallel.
3、直流電路的正極：棕色；
3. Positive pole of DC circuit: Brown;
負極：藍色；
Negative electrode: blue;
接地中線：淡藍色。
Neutral grounding line: light blue.
4、半導體電路的半導體三極管的集電極：紅色；
4. Collector of semiconductor triode of semiconductor circuit: red;
基極： 黃色；
Base: yellow;
發(fā)射極：藍色。
Emitter: blue.
半導體二極管和整流二極管的陽極：藍色；
Anode of semiconductor diode and rectifier diode: blue;
陰極：紅色。
Cathode: red.
可控硅管的陽極：藍色；
Anode of thyristor: blue;
控制極：黃色；
Control pole: yellow;
陰極：紅色。
Cathode: red.
雙向可控硅管的控制極：黃色；
Control pole of bidirectional thyristor: yellow;
主電極：白色。
Main electrode: white.
5、整個裝置及設備的內部布線一般：黑色；
5. The internal wiring of the whole device and equipment is generally recommended: black;
半導體電路：白色；
Semiconductor circuit: white;
有混淆時：容許選指定用色外的其它顏色（如：橙、紫、灰、綠藍、玫瑰紅等）。
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 、具體標色時，在一根導線上，如遇有兩種或兩種以上的可標色，視該電路的特定情況，依電路中需要表示的某種含義進行定色。
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.
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