I. Certification and non-certification lines (standard and non-standard lines) Certifications for wires include: UL certification, VDE certification, CE certification, ETL certification, 3C certification, etc. Introduction to the certification of wire, cable and electrical in the world: Introduction to UL certification UL stands for English: Underwriters Laboratories Inc. (Underwriters Laboratories Inc.). UL Safety Laboratory is one of the most authoritative private organizations engaged in safety testing and appraisal in the United States and the world. It uses scientific testing methods to…
Wires and cables are used to transmit electrical energy, information and wire products for electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables for short. Cables in a narrow sense refer to insulated cables, which can be defined as: an aggregate composed of the following parts; one or more insulated cores, and their respective coatings, the total The protective layer and outer protective layer, the cable can also have additional conductors without insulation.…
There are good and bad cables and wires on the market, so how to choose? Today I will teach you how to choose a good cable scientifically. After all, it is impossible for each of us to be proficient in everything. Sometimes when we go shopping, we hope to find an expert to go with us, but the life circle is limited, and we may not be able to find such a person every time. At that time, we have…
In recent years, my country's wire and cable industry has achieved a series of achievements driven by the continuous expansion of the power industry, data communication industry, urban rail transit industry, and automobile industry. During the "13th Five-Year Plan" period, driven by relevant national policies, the development of downstream industries, and the implementation of strategies such as "Made in China 2025", "One Belt and One Road", and urbanization, my country's wire and cable industry has ushered in continuous benefits. Market…
1. Different functions: Power cables are used in the main line of the power system to transmit and distribute large-function electrical energy; control cables are used to control wiring of electrical equipment and appliances. 2. Different categories: power cables belong to the second category of the five major categories of cables; control cables belong to the third category of the five major categories of cables (cables for electrical equipment). 3. Different standards: The standard for power cables is GB12706; the…