Why does a refrigerator with dry freeze freeze?
Hello, the refrigerator is freezing. It freezes as hard as a freezer, everything freezes, don’t put it, what can it be?
Cable laying technology on a cable
DIY cable installation technology. Learn how to route a cable through a cable and where this wiring option is used.
What is the difference between electromechanical RCD and electronic?
How to distinguish electronic RCD from electromechanical and what is better to choose. The disadvantages of the electronic circuit breaker.
Which resistor to choose for the lamp TLZH 3-2?
What resistance do you need to choose to connect to the network 220 lamps TLZH 3-2?
How to make an electrician's knife - instructions in pictures
Have you decided to make a knife with a heel for stripping wires? For you, we have provided step-by-step instructions for making an electrician's knife with your own hands.
3 best dishwasher companies
Review of the best manufacturers of dishwashers for 2017. Find out which brand of dishwasher is better to choose for quality and price.
What is a thermal relay and what is it for?
The device, principle of operation and purpose of the thermal relay. Find out what this unit consists of, how it works and what it is used for.
How to mark the walls and ceiling for wiring?
How to make a wiring diagram in an apartment and a private house. The main standardized distances for installing outlets and laying wires.
Why doesn't the dishwasher turn on?
A lot of detergent was poured into the dishwasher. Foam went through the door. They turned off the car, and now it does not turn on at all. What could it be?
No tension in the house
What if there is no tension in the house?
10 advantages of electronic ballasts
Find out why electronic ballasts are better than electromagnetic ballasts. The main advantages of electronic ballasts for fluorescent lamps.
What to do if the electric kettle does not turn off when boiling?
Why the electric kettle does not turn off when boiling water and how to fix it with your own hands. The main causes of the malfunction. Video tutorial on repairing the kettle.
How to dismantle old wiring?
Rules for dismantling old wiring with your own hands. Learn how to properly dismantle electrical cables, sockets, switches, and lights.
How to dispose of energy-saving lamps?
Rules for the disposal of fluorescent lamps at the enterprise and at home. How much is the disposal of energy-saving light bulbs. Responsibility for violations.
The cost of installing a warm floor
How much is laying a warm floor? The kitchen is 18 m2, of which 12-13 m2 will be a warm floor. What is the cost of material and installation of heating mats?
15 mistakes when laying underfloor heating
The main mistakes in the installation of water and electric underfloor heating. Find out how to lay pipes, heating cable, and thermomats.
How to warm concrete in the winter during construction?
Why do I need concrete heating in winter? How to heat concrete with a PNSV wire, electrodes and heat guns. Technology laying heating cable.
What are time relays?
The main types of timers. Find out what devices are and how they work. Overview of electromagnetic, pneumatic, motor and other types of relays.
Learning to distinguish RCD from a differential automaton - 4 external signs
You do not know how to distinguish RCD from a difavtomat visually? For you, we have prepared 4 external differences between the devices. Also, the main differences are shown in the video.
How to repair a fluorescent lamp?
DIY repair manual for a fluorescent lamp. What to do if the bulb does not light up. Reasons for the failure of fluorescent lamps.
Is it possible to install a dimmer if LED lamps are installed?
Hello! Is it possible to install dimmers if LED bulbs or lamps are installed? What dimmers need to be installed for LED lamps, lamps?
What magnet is needed for the SEO-1.09.302 electric meter?
What neodymium magnet is suitable for stopping the SEO-1.09.302 / 1 brand electric meter?
How to calculate the cost of electrical work - we make an estimate
Instructions for the preparation of estimates for electrical work in an apartment and a house. Learn how to calculate wiring costs in Microsoft Excel.
Alternating current in a three-phase generator
In a three-phase generator, the current is alternating, that is, it changes direction 100 times per second, in a single-phase network as well. How does the current change its direction from phase to zero and vice versa?
