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Why do household wires have different colors?

Updated: January 8, 2021 Big characters Small characters
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Do you realize that it's common in our family Cable line There are many colors, red, green, blue and black. Each color is different wire Colors are used on different routes ; so, do you know why household wires should be colored?

If all colors of a small box or a building are the same, or various, the lines of different buildings are the same color and different roads, it is very dangerous. The maintenance and engineering construction in the middle and later period are very inconvenient, and the high efficiency is also very low.

today, Guangdong South cable Editor Let's talk about how to distinguish the color of cables when decorating a new house

   Home wiring There will be six colors, yellow, green, red, blue, yellow green White, yellow, green and red are often found on the zero line of the live line, blue is often on the zero line, yellow green is often on the ground wire, and white is common in the power switch control line of the lamp.

When the new house is decorated, Guangdong South cable It is suggested that only one color of yellow, green and red should be selected for the zero line of the live line. Since we are all single-phase, only one of them must be used The neutral line is blue; the grounding wire is yellow green according to the requirements; the power switch control line is white.

If we have one at home When the working voltage of 220 V is input into the household register, the three colors of the live line zero line must be adopted. At this time, we can select yellow, green and red according to the control circuit of the air switch lower hole, and use these three colors to distinguish different control circuits.

Let's talk about home again Cable line Benefits of using different colors:

We can clearly see the zero line and ground wire of the live line, reduce the possibility of wrong insertion in the line, and it is very convenient for you to search for common faults of the line It can prevent the operation error caused by not knowing which is the live line zero line, which is the zero line and which is the grounding wire, which has a very good maintenance effect for the actual operation staff; if we use the 1p power switch, it will not cause the air leakage switch to fail to maintain the line, so as to ensure reasonable maintenance of the route; Therefore, the color matching of cables in the route is very important. When you decorate your new house, you must distinguish the color of cables.

Why do household wires have different colors I hope it can help you. Want to know more about Wire and cable Knowledge, can log in Official website of Guangdong South Cable Co., Ltd see !

 

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