The state has explicitly ordered the use of copper conductive sub-wires in newly built houses. But the same copper wire, there are also inferior copper wires, the copper core is made of recycled copper, which contains many impurities, and some inferior copper wires are not as conductive as iron wire... read more
Fire-resistant cable is a commonly used product type of insulated wire, which refers to a cable that can maintain a certain period of safe operation under flame burning. Fire-resistant cables are widely used in high-rise buildings, underground railways, underground streets, large power stations and ... read more
1. Concept of shielded wire The shielded wire is a transmission wire that uses a mesh braided wire to wrap the signal wire. A wire wrapped with a conductor outside the wire is called a shielded wire, and the wrapped conductor is called a shielding layer, which is generally a braided copper mesh or c... read more
1. The concept of low smoke and halogen free Refers to compounds that do not emit toxic fumes (such as hydrogen halide, carbon monoxide, carbon dioxide, etc.) when they are burnt made of materials that do not contain halogen (F, Cl, Br, I, At), and do not contain environmental substances such as lea... read more
Wire and cable are wire material products used to transmit electromagnetic energy, information and realize electromagnetic energy conversion, and have certain applications in many fields. When buying wires and cables, we can use some tricks to cleverly distinguish the pros and cons of wires and cabl... read more