The oil cooler broke, it came to me in a disassembled form, I can’t understand where to connect what. Please help with the search circuit.
A refrigerator is connected to the outlet, but it began to turn off. When you move the plug - it works. But the plug sparkles in the outlet when you move. Do I need to change the outlet?
Is it possible to change the ammeter on any electrical installation to a conventional incandescent lamp? If so, how to do it right?
The boiler started to beat due to static. We did not have time to make grounding. Now we are worried about how dangerous static electricity is on a gas boiler?
PUE 7th edition, Section 3, Chapter 3.4 - Secondary circuits. Paragraphs 3.4.1.-3.4.30. Download the PDF document on the ElecroExpert website.
PUE 7th edition, Section 3, Chapter 3.3 - Automation and telemechanics. Clauses 3.3.1.-3.3.103. Download the PDF document on the ElecroExpert website.
The PRKS wire is designed for rooms with high temperature. The cross-section table, structure and its technical characteristics are given in the article.
Wind causes vibration of wires and lightning protection cables. This will damage the line. Find out what vibration and dance of wires are and what are the methods of dealing with it.
The noise coming from neighbors can be caused by gaps in the walls, but more often it comes from outlets. How and how to make soundproofing outlets is described in the article.
Hello! I want to install a counter above the front door, but they told me that it is impossible to install above 1.8 meters, in which document is it written?
How to choose a selective RCD for installation in a floor board, if there is an automatic machine at 63A after the counter? Tell me the model.
PUE 7 edition, Section 3, Chapter 3.2 - Relay protection. Clauses 3.2.1. - 3.2.133. Full text version of the document on the ElecroExpert website.
PUE 7th edition, Section 3, Chapter 3.1 - Protection of electrical networks with voltage up to 1 kV. Paragraphs 3.1.1.-3.1.19. Download the PDF document on the ElecroExpert website.
PUE-7 Appendix to Chapter 2.5: Guidelines for the design of supports, foundations and bases of overhead lines
PUE-7 Appendix to Chapter 2.5: Guidelines for the design of supports, foundations and foundations of overhead lines. Download the PDF document.
PUE-7 appendix to chapters 2.3, 2.4, 2.5: Requirements for information signs and their installation. Download the PDF document on the ElecroExpert website.
The music center has stopped turning on after an unsuccessful repair, how to check the controller is working and find the cause of the breakdown?
Is it possible to leave the thermal mat for the terrarium on? Heats up to 40 degrees under a glass terrarium. Could a fire happen from him when I'm not?
Hello! Can I connect a Festool circular saw motor without an electronic speed controller board? What is the connection scheme?
Hello! Why, when the light is turned on inside the lamp, the flame sparks and burns, what should I do?
The speakers turn on, but there is no sound. Amplifier chips replaced by TDA 2030a, what else could be the problem?
Is it allowed to lay the wiring cable and Internet cable into the cable channel in the educational institution on the floor of the room?
Generator with a rated power of 30 kW. Does this mean that at the maximum load of the consumer, he will give him 30 kW / h?
A week ago, at about 1:00 in the night, light began to flash in some rooms and in the toilet. The rest are energy-saving, they blinked only once. What is the reason?
How to calculate the monthly fuel consumption for a 3 MW diesel power plant at maximum load?