Choose a screwdriver - what to look for?
Tips on how to choose a screwdriver for wiring, repairs, home use. The right choice of design, material and type of screwdriver.
What is grounding and what is it for?
What is protective grounding and why is it needed. The device, purpose and principle of operation of grounding. Danger of using this protection.
Connecting a backup generator to the house network
I want to connect the wires of the backup generator to the lower outputs of the input circuit breaker, from where the wires go out to power the house. Can I connect?
Is it possible to shut-off load-bearing walls for an electrician?
How deep can ditch load-bearing walls for electrical wiring? Is it possible to install a built-in flap in a supporting wall? Or use an outer shield?
What is a load switch and why is it needed?
The device, principle of operation and purpose of the load switch. Find out what the load breaker consists of, how it works and why you need it.
Why is half the chandelier not lit?
Burned all day. And now I saw that the blue bulbs (like LEDs) are half lit. Why is half of the LED chandelier off?
What works are not special?
What works are not special, but the right to conduct which is reflected in the certificate?
What types of screwdrivers are there?
The main types of screwdrivers used in everyday life and for professional repairs. Marking screwdrivers, a description of the purpose of each, as well as photo construction examples.
Correct replacement of input in Khrushchev
I plan to replace the wiring in Khrushchev. How to replace the input to the apartment? What section of input cable to choose?
Oscilloscope Masters Tips
Tips on how to choose an oscilloscope for home and work. Criteria for choosing a suitable oscilloscope model. Video review of the top 10 models of devices.
What are the spotlights - 5 main types
You do not know what types of spotlights there are for indoor and outdoor lighting? The article considers the varieties of searchlights, their advantages and disadvantages.
What should be equipped with electrical installations?
What should be equipped with electrical installations?
What are the obstacles in the electrical network and how to protect yourself from them
What are the interferences in the power network and how to get rid of them.The main causes of interference in the network and methods of protection against this phenomenon.
Test Methods for Transformer Oil
Find out how transformer oil is tested. An overview of the main types of tests, as well as methods for analyzing the physical and electrical properties of oil.
Work with installation claws and manholes
What are installation claws, why are they needed and how to use these devices. The main types of installation claws and manholes.
Benefits of Chip On Board Technology
Manufacturing LEDs using Chip On Board technology. Advantages of COB LEDs, design and specifications.
What is a self-propelled electric meter and how is it formed
Causes of self-propelled electricity meter. Find out why the meter spins without load and what troubleshooting methods exist.
Electricity consumption per day by convector Thermia 2.5 kW
What is the energy consumption per day of convector Thermia 2.5 kW?
