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Cable sales
Publisher: Wuxi Konid Import and Export Trading Co., Ltd. release time：2020-06-19 13:46:38 The number of clicks:626 shut down
There is no strict distinction between wire and cable. The products with few cores, small diameter and simple structure are usually called wires, the ones without insulation are called bare wires and the others are called cables. The larger conductor cross-sectional area (greater than 6 mm square) is called a large wire, the smaller (less than or equal to 6 mm square) is called a small wire, and the insulated wire is also called a cloth wire.
Full naming of wires and cables is often complex, so a simple name (usually the name of a class) combined with model specifications is sometimes used in place of a full name, such as "low voltage cable" for all plastic insulated power cables of class 0.6/1kV. Wire and cable products are mainly divided into the following categories:
(1) Bare wire and bare conductor products
The main features of this class of products are: pure conductor metal, no insulation and sheath layer, such as steel-cored aluminum strand wire, copper-aluminum busbar, electric locomotive wire, etc. Processing technology is mainly pressure processing, such as melting, rolling, drawing, stranded/pressed stranded and so on. Products are mainly used in suburban, rural, user line, switch cabinets and so on.
(2) Power cables
The main features of this class of products are: extruded (wrapped) insulation layer outside conductors, such as overhead insulated cables, or twisted several cores (corresponding to the phase, zero and ground wires of the power system), such as overhead insulated cables with more than two cores, or additional sheath layer, such as plastic/rubber sheathed wires and cables. The main technologies are drawing, stranding, insulation extruding (wrapping), cabling, armor, sheath extruding, etc. The different process combinations of various products are different to some degree.
The products are mainly used in the transmission of strong electric energy in the power lines of generation, distribution, transmission, transformation and power supply, with large current (tens to thousands of amps) and high voltage (220V to 500kV and above).
(3) Wires and cables for electrical equipment
Such products, the main characteristics are: various specifications, application range, use voltage in 1 kv and below is more, to derive new products constantly, in the face of special occasions, such as fireproof cables, flame retardant cable, low smoke zero halogen/against termites, low smoke low halogen cable, mouse cable, resistant to oil/cold/heat resistance, wear-resistant cables, medical/farm/mine
Use cable, thin wall wire, etc.
(5) Communication cables and optical fibers
With the rapid development of the communication industry in the past twenty years, the products have also developed at an amazing speed. From the past simple telephone and telegraph cables to thousands of pairs of voice cables, coaxial cables, optical cables, data cables, and even combined communication cables.
The structure size of this kind of product is usually small and uniform, and the manufacturing precision is high.
(6) Electromagnetic wire (winding wire)
Mainly used for all kinds of motors, instruments and meters.
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