Why are the lights blinking to illuminate the stairs?
I connected the lights through two-key switches for a control circuit from three places. After installation, I found that they blink off.
Which wire to choose for laying from the shield to the distribution box?
Advise what section wire to lay from the shield to the junction box, if lighting, 4 outlets and a sign are connected to it?
How to connect the switch to a low speed in the hood?
Help with the hood switch. It is necessary that only a weak speed is turned on, but I can not find the necessary ends of the windings. What resistance should they have?
Why did I knock out the machine and after that the kettle does not work?
He knocked out the machine, after turning it on, they found that the kettle was not working, the socket into which it was plugged in and everyone else was working, what could be the matter?
Help to figure out the scheme from TU with the connection of the RKF in the ShR and ShchAO
To connect the store on the rental area in the shopping center, TU was issued, the schemes do not clearly indicate the connection of the RKF in ShchR and ShchAO from the store to the tenant's shield.
Why do I need a cable on the VLEP support?
I saw torn wire from pillar to pillar, gray twisted (similar to aluminum wire). Please tell me what he is responsible for?
How to connect equipment with five wires to the TN-C system?
Factory with existing TN-C system. It is necessary to connect refrigerators with a five-core input cable. Is it possible to do a zero separation?
Why do not the sockets work after reconnecting the wires?
Electrician and cut the wires, and then removed the outlet to put a new one. I connected the wires myself, and the sockets do not work in the kitchen, what could be the reason?
How to choose a single-phase electric meter for 15 kW?
I was approved to increase the allocated power of electricity to 15 kW, but which meter should I choose to skip these 15 kW? Perhaps advise the model.
Do I need to change the wiring when replacing a gas stove with an induction one?
We want to abandon the gas stove and install an induction stove. They said that the wiring will not stand. Is it possible to replace if we replace the wiring in the whole apartment?
PUE 7 Chapter 1.9: Electrical Insulation
PUE 7 edition, Section 1, Chapter 1.9 - Insulation of electrical installations. Paragraphs 1.9.1.-1.9.54. Download the document in PDF format on the our.electricianexp website.
PUE 7 Chapter 1.8: Standards for Acceptance Testing
PUE 7th edition, Section 1, Chapter 1.8 - Standards for acceptance tests. Paragraphs 1.8.1.-1.8.41. Download the document in PDF format.
What is a frequency converter, how does it work and what is it for
The frequency converter is used to control the speed of electric motors. The article discusses the device, the types of chastotnikov and their purpose.
Problems with lighting after repairs from neighbors on top
Neighbors from above made repairs and hollowed the floor over my toilet, after which problems began - the lamps did not light well or even go out, what should I do?
Who pays for the replacement of an old electricity meter?
The house is considered emergency, subject to demolition. I pay for electricity at an increase factor of 1.65, because counter recognized obsolete, who should pay for the replacement?
PUE 7 Chapter 1.7: Grounding and protective electrical safety measures
PUE 7th edition, Section 1, Chapter 1.7 - Grounding and protective electrical safety measures. Paragraphs 1.7.1.-1.7.177. Download the document in PDF format.
PUE 7 Chapter 1.6: Measurement of electrical quantities
PUE 7th edition, Section 1, Chapter 1.6: Measurement of electrical quantities. Paragraphs 1.6.1.-1.6.23. Download the PDF document on the our.electricianexp website.
PUE 7 Chapter 1.5: Electricity Accounting
PUE 7th edition, section 1, Chapter 1.5: Accounting for electricity (paragraphs 1.5.1.-1.5.44.). Download the PDF document. The current version for 2019.
PUE 7 Chapter 1.4: Selection of electrical apparatus and conductors for short circuit conditions
Rules for the installation of installations (PUE-7), section 1, chapter 1.4 (1.4.1.-1.4.22.). Selection of electrical apparatus and conductors according to short circuit conditions.
PUE 7 Chapter 1.3: Selection of conductors for heating, economic current density and corona conditions
Rules for the installation of installations (PUE-7), section 1, chapter 1.3. The choice of conductors for heating, economic current density and for the conditions of the corona (p 1.1.1.-1.1.39.).
What if the light in the kitchen with stretch ceilings ceases to burn?
The apartment has suspended ceilings. The light in the kitchen disappeared, it burns everywhere, but there isn’t what is it connected with? Do I need to remove the coating?
How to power a training stand for an electrician?
I want to assemble a stand for training electricians, but I don’t understand where to get 220 volts for its power supply, can it be from an outlet or is it necessary from a shield?
The power of 200 W is indicated on the LED chandelier, can this be?
Hello tell me, bought a chandelier consists of led strip lighting written power 200W. Will it consume so much light or am I misunderstood?
Torn zero in the socket, took from the switch
Zero picked up and failed from the light switch. I turn on the light, electricity disappears in the outlet, if I turn off the light, it appears. Is there an explanation for this phenomenon?
