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What are the 32 national standards commonly used in wire and cable?
1. Standard No.: GB/T 5013-2008 Name: "rated voltage 450/750V and below rubber insulated cable" 2. Standard No.: GB/T 5023-2006 Name: "rated voltage 450/750V and below PVC insulated cable"
Oct 25,2023
How is the price of the wire calculated? How much is one meter?
The cost of copper wire includes 3 components. 1, the cost of copper; 2, the cost of PVC (outer material skin); 3, the cost of labor. If there is a sample, it is directly said that the weight of the entire wire, minus the weight of copper, is the weight of PVC.
Teach you three minutes to learn how to estimate the current carrying capacity of wires.
The working temperature is 30 ℃, and the current carrying capacity under long-term continuous 90% load is as follows: 1.5 mm²-13A; 2.5 mm²-26A 4 mm²-32A; 6 mm²-47A 16 mm²-92A.
2023 high voltage cable industry market opportunities where?
High-voltage cable is the 1 kind of power cable, which refers to the power cable used for transmission between 1kv-1000kv, and is mostly used in power transmission and distribution. The components of the high-voltage cable from the inside to the outside include: conductor, insulation, inner sheath, filler (armor), and outer insulation. Armored high-voltage cables are mainly used for burial, which can resist the high-strength pressure on the ground and prevent other external damage.
Can't figure out YJV, YJY, VV, VLV, YJLV and other cable models?
As an important part of power transmission and electrical equipment, the performance and quality of cables directly affect the stability and safety of the entire system. Among the many cable models, YJV, YJY, VV, VLV, YJLV, etc. are the more common ones. The editor will analyze the characteristics, application scenarios and purchase guides of these cable models in detail to help you choose the most suitable product among the many cable models.
4 square wire can load how many watts, how much current?
Wire is the top priority in home decoration wiring. As a concealed project of decoration, although it is small in size, it has many details, high complexity and great responsibility. The quality of home improvement wire installation is directly related to the convenience of future life and the safety of electricity. The quality of the wire has problems, which not only affects the wiring effect, but also is not conducive to the convenience of subsequent use, which shows its importance. 4 square wires are used a lot in home decoration wiring. How many watts can wires of this type carry?