Construction And Repair

Time relay: how to make a 12 volt device with your own hands according to the diagrams Construction And Repair

With a device such as a 12 volt time relay, you can save a lot of money on your electricity bills. This is due to the automatic shutdown of the light bulb, for example, after a certain period of ti...

Time relay on a din-rail: varieties and characteristics, installation, principle of operation Construction And Repair

Household electrical panels house various modules to protect the human body from electric shock and wiring fire. But along with this, in distribution boxes, they are installed on a DIN rail and tim...

Intermediate relay 220V: purpose of the device, design features and principle of operation Construction And Repair

The relay is a device capable of operating in automatic mode. Today on sale you can find a classic intermediate relay of 220 V electromagnetic type, as well as modern electronic devices. These devi...

What does a resistor consist of and what does it look like, purpose in an electrical circuit, principle of operation and marking Construction And Repair

Kettles, incandescent lamps, machine electrical equipment, and many other electrical appliances contain resistors. They have changed so much that it is sometimes difficult to define them without kn...

Color coding of resistors: decoding of color coding according to the table and online calculator Construction And Repair

With the advent of electronic and microprocessor technology, not a single complex circuit can do without the participation of resistors. The resistor allows not only converting voltage to amperage ...

Markings of Soviet resistors: designation features, power and resistance marking Construction And Repair

Despite the fact that the times of the USSR have long since sunk into oblivion, there are still plenty of radio electronic equipment and radio components of that time. This suggests that people inv...

Resistance ratings: designations, tables, resistor decoding possibilities Construction And Repair

At the beginning of the 20th century, all resistances had very wide production tolerances, which was extremely inconvenient and caused many negative consequences. In this regard, it was necessary t...

Parallel and mixed connection of resistors: different ways to connect resistance Construction And Repair

No operation in electronics or electrical engineering is complete without calculating resistance. In this case, only the section of the circuit is considered in which the mixed connection of resist...

Socket strip: installation and fastening of the device, preparatory work Construction And Repair

The difference between a block of outlets and a conventional outlet is that the block has a larger number of seats. It consists of a plastic case and elements located inside: contacts, terminals an...

The specifics of a smart socket: its advantages and disadvantages Construction And Repair

In the world of advanced technologies, it is no longer a novelty to meet various innovations in the most diverse areas of human life. Nanotechnology has affected not only the production of cars, bu...