Copper is the electrical conductor in many categories of electrical wiring. Copper wire is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment. Copper and its alloys are also used to make electrical contacts. Electrical wiring in buildings is the most important market for the copper industry. Roughly half of all copper mined is used to manufacture electrical wire and cable conductors.
Solid wire consists of one strand of copper metal wire, bare or surrounded by an insulator. Single-strand copper conductors are typically used as magnet wire in motors and transformers. They are relatively rigid, do not bend easily, and are typically installed in permanent, infrequently handled, and low flex applications.
Stranded wire has a group of copper wires braided or twisted together. Stranded wire is more flexible and easier to install than a large single-strand wire of the same cross section. Stranding improves wire life in applications with vibration. A particular cross-section of a stranded conductor gives it essentially the same resistance characteristics as a single-strand conductor, but with added flexibility.
A copper cable consists of two or more copper wires running side by side and bonded, twisted or braided together to form a single assembly. Electrical cables may be made more flexible by stranding the wires.
Copper wires in a cable may be bare or they may be plated to reduce oxidation with a thin layer of another metal, most often tin but sometimes gold or silver. Plating may lengthen wire life and makes solderingeasier. Twisted pair and coaxial cables are designed to inhibit electromagnetic interference, prevent radiation of signals, and to provide transmission lines with defined characteristics. Shielded cables are encased in foil or wire mesh.
Electrical wiring distributes electric power inside residential, commercial, or industrial buildings, mobile homes, recreational vehicles, boats, and substations at voltages up to 600 V. The thickness of the wire is based on electric current requirements in conjunction with safe operating temperatures. Solid wire is used for smaller diameters; thicker diameters are stranded to provide flexibility. Conductor types include non-metallic/non-metallic corrosion-resistant cable (two or more insulated conductors with a nonmetallic outer sheath), armored or BX cable (cables are surrounded by a flexible metal enclosure), metal clad cable, service entrance cable, underground feeder cable, TC cable, fire resistant cable, and mineral insulated cable, including mineral-insulated copper-clad cable. Copper is commonly used for building wire because of its conductivity, strength, and reliability. Over the life of a building wire system, copper can also be the most economical conductor.
Our mainly products of low voltage power cable:
1.Copper conductor PVC insulated and sheathed power cable
2.Copper conductor PVC insulated polythylene sheathed power cable
3.Copper conductor PVC insulated and sheathed power cable with steel tape armour
4.Copper conductor PVC insulated and sheathed power cable with fine steel wire armour
5.Copper conductor PVC insulated and sheathed power cable with thick steel wire armour
6.Copper conductor PVC insulated and sheathed flame retardant power cable
7.Copper conductor PVC insulated polythylene sheathed flame retardant power cable
8.Copper conductor flame retardant PVC insulated and sheathed power cable with steel tape armour
9.Copper conductor flame retardant PVC insulated and sheathed power cable with fine steel wire armour
10. Copper conductor flame retardant PVC insulated and sheathed power cable with thick steel wire armour
And so on........
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