How to choose household wires?
2022-10-25(2918)Views
Although wires are small, they have a significant responsibility. They are an indispensable basic building material in home decoration, and the quality of wires directly affects the circuit safety of home decoration. Therefore, when choosing wires for home decoration, everyone should serve Dim sum, and don't feel that it is just good to buy at random. So how do you choose household wires? How to choose household electrical wires? Is it clear to everyone? The concealed works in a house are like human blood vessels, and the construction and material quality of the concealed works are the key points of home decoration. Although electric wires are small, they have a significant responsibility. They are an indispensable basic building material in home decoration, and the quality of electric wires directly affects the safety of the entire family's electricity consumption. Proper circuit material selection and reasonable layout construction are the basic guarantees for safe electricity use in household life. So how do you choose household wires? How to choose household electrical wires? Is it clear to everyone?
Although wires are small, they have a significant responsibility. They are an indispensable basic building material in home decoration, and the quality of wires directly affects the circuit safety of home decoration. Therefore, when choosing wires for home decoration, everyone should serve Dim sum, and don't feel that it is just good to buy at random. So how do you choose household wires? How to choose household electrical wires? Is it clear to everyone?
The concealed works in a house are like human blood vessels, and the construction and material quality of the concealed works are the key points of home decoration. Although electric wires are small, they have a significant responsibility. They are an indispensable basic building material in home decoration, and the quality of electric wires directly affects the safety of the entire family's electricity consumption. Proper circuit material selection and reasonable layout construction are the basic guarantees for safe electricity use in household life. So how do you choose household wires? How to choose household electrical wires? Is it clear to everyone?
Ensure wire quality
Electric wire materials are indispensable basic building materials in home decoration and an important part of concealed engineering. The quality of electric wires directly affects the effectiveness of decoration and electricity safety. Therefore, how to quickly and accurately check the quality of wires when purchasing or selecting them is an urgent knowledge that everyone wants to understand.
1. Look at the packaging
There is a complete certificate of conformity in the packaging, which should include complete information such as specifications, execution scale, rated voltage, length, date, factory name and address. Check if there is a "CCC" and production license number for China's mandatory product certification; Check for quality system certification; Check if the certificate of conformity is standardized; Check if there are trademarks, specifications, voltage, etc. printed on the wires.
2. Check wire size
In relevant standards, the error in wire length cannot exceed 2%, and the cross-sectional wire diameter cannot exceed 0.02%. However, there are many phenomena in the market that are short in length and fraudulent in cross-section.
3. Look at the color of copper
Qualified copper wire cores should be purple red, shiny, and soft to the touch. The counterfeit copper core wire has a purple black color, a yellow or white color.
4. Look at the insulation rubber
The insulation layer of fake and inferior wires appears to be very thick, but in fact, most of them are made of recycled plastic. With a little force, the extruded area will become white and powder will fall off.
5. Check the weight of the wires
Good quality wires are generally within the designated weight range. The commonly used plastic insulated single stranded copper core wire with a cross-sectional area of 1.5mm2 weighs 1.8-1.9kg per 100m.
6. Check the size of the wire core
A few cores generally refer to a cable, which specifically refers to the presence of several insulated wires inside the insulation sheath. A few wires are considered several cores, and if they are not insulated from each other, any number of wires is considered one core. Two cores refer to two insulated wires wrapped together, usually used in household appliances with a voltage of less than 220V. There are two types of three cores, one is a 2-phase three wire system, the other is a three-phase three wire system, the other is a 4-core three phase four wire system, three live wires, one zero wire, and the 5-core is a three-phase five wire system.
7. Look at the brand
Famous and high-quality brands, of course, have superior quality. Therefore, when choosing products, it is best to choose reputable brand products. Because only big brands cherish their own brand image and brand value, do not engage in false advertising, and pay more attention to quality and service.
Electric wires bring light to homes, fill life with various pleasures, and meet the daily needs of family members. However, if there is negligence during the installation of electrical wires, it can easily lead to various safety hazards in the home environment.
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