I plan to replace all the wiring - do I need permission for this operation? And if necessary, where to apply for such permission? And is it necessary to increase power?
When the hob is connected, it turns on in normal mode, when the power is increased, it turns off with a signal, because phase on the zero contact. What is the reason?
It is necessary to connect sensors with different nominal voltages to one 12V power supply, will they work?
From the shield there is a main cable with a cross section of 4 mm2. In the shield on the wires there were no automatic devices for some groups. On the landing there are automatic machines 50 C, 40C. What to do?
How to mark by marking which cable - one core or multi-core (retinue of thin wires)?
Hello! Help to assemble a charging-starting device for a car from an old transformer made in the USSR.
LED lamps blink when you turn on the kettle, microwave or grill. Incandescent and fluorescent lamps do not blink. What advise to choose to solve the problem?
Is it necessary to disconnect zero when connecting a three-phase generator to a single-phase network?
Is it possible to connect a single-phase generator through an ABP unit to a three-phase network? If so, how to cut off the remaining two phases and do I need to cut off zero?
I have three buildings powered from different phases, each with its own counter, can I use these three phases to connect a lathe?
At the pumping station, the capacitor failed, I replaced it. But after that it didn’t work for long and smoke came out of the engine. Why did this happen and what to do?
I want to replace ordinary keyboard switches with switches controlled by wifi. What devices will help to implement this?
When drilling the wall, the wire was damaged. They made a hole for access and twisted it together. How dangerous is this?
Tell me, is it possible to connect an electric oven and a washing machine to a regular outlet if the wiring is done with a 2.5 square cable. mm, and this outlet is 1.5 square meters. mm?
PUE-7 Appendix 3 to Chapter 7.3. Explosion-proof electrical equipment marking according to PIVE. Download the PDF document on the ElecroExpert website.
PUE-7 Appendix 2 to Chapter 7.3. Explosion-proof electrical equipment marking according to PIVRE. Download the PDF document on the ElecroExpert website.
PUE-7 Appendix 1 to Chapter 7.3. Categories and groups of explosive mixtures according to PIVRE and PIVE. Download the PDF document on the ElecroExpert website.
PUE-7, Section 7, Chapter 7.10. Electrolysis plants and plating installations. Paragraphs 7.10.1.-7.10.85. Download the document in PDF on the ElecroExpert website.
PUE-7, Section 7, Chapter 7.7. Peat electrical installations. Paragraphs 7.7.1.-7.7.43. Download the PDF document on the ElecroExpert website.
PUE-7, Section 7, Chapter 7.6. Electric welding installations. Paragraphs 7.6.1.-7.6.67. Download the PDF document on the ElecroExpert website.
PUE-7, Section 7, Chapter 7.5. Electrothermal installations. Paragraphs 7.5.1.-7.5.75. Download the PDF document on the ElecroExpert website.
What are the ranges of denominations of radio components? Typical values of resistance, capacitance and inductance are given in the article. Tables and examples of row selection.
How to connect two electric motors so that they rotate at equal speeds and in one direction.
The lamps turn on once, and if you turn on the electric kettle, they work normally. The same problem with the refrigerator, what should I do?
Will the subwoofer burn from the home theater if it is connected to an amplifier in a car? What parameters should I pay attention to?