Construction And Repair
Power tool protection classes: design features, operating conditions and electrical safetyConstruction And Repair
Work with any electrical installation is fraught with the danger of electric shock. This is especially true when handling a hand-held electric tool, since the body of the device is always in the ha...
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Electromagnetic contactors: design, performance and typesConstruction And Repair
Electromagnetic contactors are electrical devices for frequent switching of electrical power networks with current, without exceeding the overload threshold. Closing, opening and short-term connect...
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Terminal box: types of distribution system and options for connecting wires in itConstruction And Repair
Modern life cannot be imagined without electricity. It is necessary to repair and connect new electrical appliances to the network in accordance with the established rules. It is important to know ...
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Isolated neutral networks: device types, principle of operation, advantages and disadvantagesConstruction And Repair
Currently, for the safe power supply of electrical equipment, deaf grounding is mainly used. At the same time, there are devices that are operated in a three-wire network with isolated neutral. Thi...
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Feeder in electrics: the concept of this element in the electric power industry, the organization of the protection of lines in electric transportConstruction And Repair
A feeder in electrical engineering is a circuit or transmission line together with auxiliary elements, with the help of which electricity flows from a source to a consumer. Moreover, it includes ma...
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Troubleshooting and self-repair of a computer power supplyConstruction And Repair
The performance of a personal computer (PC) not least depends on the quality of the power supply unit (PSU). If it fails, the device will not be able to turn on, which means that you will have to r...
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Fusible link: materials for the working element and types of fuses, selection indicators and applicationConstruction And Repair
Protection of electrical networks from limiting currents and short circuits is carried out in many ways, one of which involves the use of a fuse fuse. The principle of operation is based on the use...
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Replacing the fuse: when it's done, how to get the job doneConstruction And Repair
Proven for many decades, the best protection against excessive overloads in the electrical network is the fuses that are installed at the input of the supply current systems. Their design and princ...
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Self-clamping and screw terminal blocks: advantages and disadvantages, scopeConstruction And Repair
Spring or screw terminal blocks are widely used to create a reliable electrical circuit. Both options are reliable and provided for by special rules, while the more familiar twisting is still prohi...
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Weekly timer: application and principle of operation of the electronic time relayConstruction And Repair
Timers are quite common in our life. They are devices that send signals at a set time interval. Many household appliances (washing machines, ovens, microwaves) have counters on which you can set th...
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