Wire crimping: tool selection, advantages and disadvantages of the method, typical errors. How to crimp wires with ferrules. Varieties of crimp sleeve for connecting wires. How to crimp lugs for wires without a tool.

Electrical box for machines and meters: classes of electrical insulation and protection. Vandal-proof street electric boxes. How to assemble a control box for connecting 380V electricity. Tips for the selection and installation of electric boxes.

Dielectric screwdrivers: device, properties and shape of the rod. Which dielectric screwdrivers are better. Where small dielectric screwdrivers are used. Marking and properties of dielectric screwdrivers.

Class of protection against electric shock: definition and list of classes. What are protection classes and why are they assigned. Interesting facts about the classes of protection against electric current. Protection classes at home.

How to check the electricity meter for correct operation: frequency of checks. Instruments and tools for conducting inspection work with your own hands. Checking the connection diagram of the electric meter. Incandescent lamps to check the electricity meter.

Electricity consumption per floor per 1 sq.m: how to calculate correctly. Power infrared warm floor. Comparison of the efficiency of underfloor heating with other types of heating. Calculation of the maximum power consumption of the warm floor.

Electric fireplace: device, dimensions, portal, drawings and framing. Do-it-yourself decorative wood for an electric fireplace. Materials and tools for the independent manufacture of a portal for an electric fireplace.

Wireless lamp: purpose, types, advantages and disadvantages, how to choose. Where it is better to use wireless fixtures. Which wireless LED lighting lamps to choose for a summer residence.

Automatic 32a: description and time-current characteristics of electromagnetic and thermal releases. Switching or disconnecting ability of the c32 machine. Cable section for c32 machine. Scope of application of the c32 circuit breaker.

Smart electricity meter: what it is, varieties, pros and cons. How and when smart electricity meters will be installed. What is the difference between smart meters and ordinary meters. Features of electricity metering using smart electricity meters.

Ferroresonance in a voltage transformer: the principle of operation of a voltage stabilizer. Ferroresonant voltage stabilizer: advantages and disadvantages, operating modes. Ferroresonance phenomena in electrical networks.