Outer sheath is a protective covering covering the cable sheath (inner sheath), mainly used for mechanical strengthening and anti-corrosion. Common cables have inner sheath as the outer sheath of metal sheath and inner sheath as the outer sheath of plastic sheath. The outer sheath of the metal sheath is generally composed of three parts: the … Read more
The components of a power cord are as follows: 1. Copper wire. Copper wire is the core part of power cord. Copper wire is the carrier of current and voltage. The quality of a power cord depends on three points, namely, the density of copper wire, the material of the cord, the amount of copper … Read more
Power cable and control cable are widely used in people’s production and life, but many people do not know the difference between the two. Power cables are used in power system mains to transmit and distribute large functional electric energy, while control cables transmit electric energy directly from power distribution points of the power system … Read more
Crosslake Fiber, a developer and operator of communications networks in North America and Western Europe, revealed its latest submarine cable project, called CrossChannel Fibre, which is a submarine cable system connecting Slough, United Kingdom and Paris, France, with a total length of approximately 550 kilometers. According to the plan, the system will contain 96 pairs … Read more
The single-core cable wire is a hard wire (BV wire), and only the wires below 10mm2 have a single core. Multi-core cable wire can be divided into multi-core hard wire (BV wire) and multi-core flexible wire (BVR wire). For example, 2.5mm2 wire, single-core BV wire is composed of 1 strand of conductor with a diameter … Read more
Refractory cables refers to a cable that can maintain safe operation for a certain period of time in the case of flame burning. National standard GA 306.2-2007 classifies the fire resistance test into two grades, A and B. The flame temperature of Class A is 950~1000℃, and the continuous fire time is 90min. The flame … Read more
Cable is made of cable structure, with power as the energy, the use of alloy resistance wire or carbon fiber heating far infrared for electrification and heating, known as carbon fiber floor heating, to achieve the effect of heating or insulation. There are usually single and double conductors, known as heating cables. The difference between … Read more
What are the differences between the performance of aluminum alloy cables and aluminum core cables The performance of aluminum alloy cables and aluminum core cables are different. There are four aspects of corrosion resistance, mechanical properties, electrical conductivity, and creep resistance. First,Corrosion resistance Pure aluminum has better corrosion resistance than copper, but aluminum alloy has … Read more
With the increasing level of urbanization, people’s work and life rhythm is accelerating, and people’s awareness of safety and environmental protection is also increasing. Wires and cables are closely related to the lives of residents, and consumers are increasingly demanding the safety and environmental performance of wires and cables. Wire and cable companies have also … Read more
Twisted pair cable. Most people don’t know what it is. As the name implies, twisted pair cable literally means to wind two or more separate insulated wires together and make them parallel to each other. Twisted pair wire has the property of eliminating interference. Therefore, cables are suitable for short distance data and voice infrastructure … Read more