Construction And Repair

How to make a perpetual motion machine with your own hands: examples and descriptions Construction And Repair

Scientists and not only have been trying for many years to create a perpetual motion machine. Not all attempts were successful, but some are definitely noteworthy. Many are interested technology of...

Electric motor connection diagrams: single-phase and three-phase electric motors, the ability to connect Construction And Repair

The principle of operation of any electric motor is the ability to transform electrical energy into mechanical energy. Regardless of the design, each electric machine is arranged in the same way: i...

Efficiency of an electric motor: analysis of the device and the formula of the electric motor Construction And Repair

Electric motors began to be made many years ago, but they aroused the greatest interest when they began to replace engines running on gasoline. The efficiency of an electric motor is one of the mos...

Calculation of a capacitor for an electric motor 380 to 220: features, the principle of operation of electric motors Construction And Repair

To connect a 380 V three-phase motor to a 220 V single-phase network, you must perform a calculation capacitor for an electric motor 380 by 220 volts, to be more precise, a pair of capacitors - wor...

Energy saver Electricity Saving Box: features, principle of operation, internal structure Construction And Repair

Recently, an unusual Electricity Saving Box has appeared on the market of electrical goods. Its name is translated from English as "energy saving". This device is sold in online stores at an attrac...

Switch position in the electrical circuit: 3 types of devices, mechanism of action Construction And Repair

A part of any electrical circuit necessarily includes devices that open and close it. Until recently, the role of such devices in AC and DC networks was played by 3-position electrical switches. Th...

Electrical box: general information about electrical distribution boards and installation features in an apartment or house Construction And Repair

Repair or construction of any building involves laying new or replacing old wiring in order to ensure fire safety and the correct operation of all electrical devices. An important role here is play...

Electromechanical timer: the principle of operation and features of the time relay for turning on and off the light Construction And Repair

Devices that turn on or off the light at a pre-set time are called time relays. They are very convenient and allow not only to save energy, but also to bring comfort to many areas of human life. Yo...

Electrical installation claws and manholes: design features, application features and test rules Construction And Repair

During work on power lines without the use of an aerial platform, personnel use claws and manholes to climb the poles. These fairly simple devices allow for high worker safety and reduce the cost o...

Electrical installation tool for work: a mandatory list and special tools Construction And Repair

A professional electrician must have a certain list of electrical tools in order to perform high-quality work. There are certain wiring kits that are essential for both experienced and newbies. The...