What should be the voltage in the sockets according to the norms: 220 or 230 volts? Why is the voltage in the outlet not 220 volts? How many volts do electrical appliances need?

Learn how to determine power line voltage by appearance, number of insulators, labeling and other parameters. General classification of power lines by voltage.

Here you will find electricity prices in all regions that are valid from January 1, 2019 and from July 1. Electricity tariffs in different regions.

What is a voltage stabilizer, why is it needed and where is it used. The principle of operation of voltage stabilizers of relay, servo-drive and inverter type.

Insulated neutral networks are used to increase the reliability of high voltage lines and in hazardous electrical installations. What is isolated neutral, read 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.

How to recalculate electricity in previous years, due to a meter malfunction or in the absence of residents. What you need to know about light allocation.

What is unconditional electricity consumption and what responsibility is provided for it. Calculation of the cost of electricity bills without a contract.

How is the procedure for resuming power supply to disconnected subscribers and how much it can cost.Why can disconnect from power supply.

What to do if a high voltage is observed in the network of a house or apartment. Causes of increased voltage and ways to solve the problem.

What can be connected with the excess of the maximum power of electricity by the consumer, what are the consequences for this. Grounds for lifting the restriction.

Why do we need reactive power compensation in electrical networks and how it is implemented. The main types of compensators and their principle of operation.

What is automatic frequency unloading and where does it apply. Purpose and principle of action of the AChR. Types of automatic frequency discharge.

What are harmonics in electrical networks and why are they dangerous? Ways to reduce harmonic interference. Negative effects of harmonics.

How is the wireless transmission of electricity over distances. The history of the development of technology for the transfer of electricity without wires.

The allocated power of electricity for an apartment and a house in accordance with established standards. How to increase electric power capacity for private and legal entities.

What is ONE for electricity and how to calculate them correctly. Ways to reduce the cost of paying for housekeeping needs for electricity.

What are voltage dips in the network and how are they dangerous. The causes of voltage dips and protective measures against this phenomenon.

What is a grounded neutral, what is its principle of operation and scope. Classification of networks with transformer neutral earthed neutral.

How is electricity sold to the state? What is a green electricity tariff. Is it profitable to sell electricity to the network?

The procedure for concluding an electricity supply agreement with an individual and legal entity. What documents to prepare in order to conclude a contract for the supply of electricity.

What is automatic reserve input and why is it needed? The principle of operation of the ABP. Scheme of automatic inclusion of a reserve using a generator and batteries.

How is electricity calculated according to the standard without a meter in 2017. Calculation of energy consumption for non-residential premises.How not to pay an increase factor.

Responsible for unauthorized connection to the power grid. What is the penalty for unauthorized connection of electricity. Who and how discovers the violation.