Construction And Repair
Copper cable lug: classification, marking of types and methods of attachment to the cableConstruction And Repair
For a high-quality connection of the working wire of the device to the network, a good connection must be ensured. In multicore cables, this is more difficult to accomplish than in single-core cabl...
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Coaxial cable: device and principle of operation, characteristics of thin and thick wireConstruction And Repair
A coaxial cable is an electrical conductor with a central core and shield, located coaxially and separated by insulation or an air gap. Such a conductor design was invented at the end of the 19th c...
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Flexible copper stranded cable in PVC insulation: classes, varieties and applicationConstruction And Repair
When installing electronic systems, television antennas and connecting the Internet, cables with different characteristics are used. There are wires containing one conductive core or several. Depen...
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VVGng (A) cable: characteristics, scope, selection rulesConstruction And Repair
The versatility and durability of the VVGng (A) cable has influenced the fact that it is actively used by both experienced and novice craftsmen. This product is increasingly used in conditions of h...
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Heating cord: installation of cable for water supply, roofing, underfloor heatingConstruction And Repair
The infrastructure of the water supply system in private houses is often very extensive. Under certain conditions, deep underground laying of communications is impossible. In some areas, the system...
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Long-term permissible current: criteria for choosing cable cross-sections and causes of heating, current calculation and the use of tablesConstruction And Repair
The movement of charges inside the conductor causes it to heat up. Electric cables work in difficult conditions, they are selected according to the workload and the long-term permissible current. T...
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Plastic corrugation for cable: the purpose of a non-combustible sleeve for electrical wiring, selection and installationConstruction And Repair
When laying new electrical wiring or repairing old ones, experts recommend placing it in a protective shell. For wires and cables, plastic corrugation is used more often than other materials. It is...
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How to connect a magnetic starter: wiring diagram for an electromagnetic contactor, work safetyConstruction And Repair
Some electrical appliances, such as electric motors, are powered by a three-phase network. To turn them on, all three phases must be connected at the same time. Sometimes it is necessary to change ...
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How electrical protective equipment is subdivided: classification and description of devicesConstruction And Repair
Electrical protective means are meant, the use of which reduces or prevents the exposure of workers to hazardous factors of production. By the nature of their use, electrical protective equipment i...
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How a triac works: principle of operation, pros and cons, application of the deviceConstruction And Repair
A triac is a device developed back in the USSR at an electrical plant in the city of Saransk. It has 5 pn junctions.ContentOperating principlePros and cons of usingTriac applicationThe history of i...
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