What is the difference between high-voltage cables and low-voltage cables?

The People's Republic of China Industry Standard Electric Industry Safety Work Regulations DL 408-91: 1.4 Electrical equipment is divided into high voltage and low voltage: high voltage: equipment with a ground voltage of 250V or more; low voltage: equipment with a ground voltage of 250V and below. ... read more

What are the characteristics and uses of heat-resistant, high-temperature and ultra-high temperature wires and cables?

Generally, electric wires and cables are insulated and sheathed with plastic and rubber. These materials are all conventional materials, have abundant sources, can meet mass production, and the cost is relatively low. But for some special industries such as petrochemical, steel, aerospace, shipbuild... read more

What is the difference between wire and cable?

The difference between wire and cable Wires are generally used for conductive metal wires that carry current. There are various forms such as solid, stranded or foil woven. According to the insulation status, it is divided into two categories: bare wires and insulated wires. A cable is an insulated ... read more

What are unshielded network cables and shielded network cables?

1. Unshielded twisted pair cables are widely used in Ethernet. As the name suggests, the twisted pair in the cable is unshielded. Eight individual copper wires (22 or 24 gauge) are twisted into four pairs to limit signal damage caused by electromagnetic interference. UTP cables must comply with the ... read more

What storage method of the cable?

1. Under the eaves. The standard LAN cable can be used only when the cable is not directly exposed to sunlight or ultra-high temperature. It is recommended to use pipes. 2. The exterior wall. Avoid direct sunlight on the wall and man-made damage. 3. In the pipeline (plastic or metal). If in the pipe... read more