Why are there power surges in the network and how to deal with them?
What to do if tension jumps in an apartment or house? The main causes of voltage drops in the network. Where to complain to solve the problem.
Power supply
Please specify the section:
High voltage equipment
Electricity of the net
Electricity and Security
Electric laboratory
What voltage deviation in the network is considered the maximum permissible
Permissible and maximum deviation of voltage in the network according to GOST. The effect of voltage deviation on the operation of electrical equipment. Ways to solve the problem.
Why do I need an automatic reserve input and how does the automatic transfer switch work?
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 to calculate power consumption without a meter
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.
What threatens the unauthorized connection of electricity?
Responsible for unauthorized connection to the power grid. What is the penalty for unauthorized connection of electricity. Who and how discovers the violation.
Causes of fire wiring in the apartment
The main causes of fire wiring in the apartment and the rules for its safe extinguishing. Methods of protection against fire during ignition of electrical wiring.
What are the safety instructions and how often do they take place?
The main types of briefings on labor protection, the procedure and timing of their conduct. Who and how often conducts health and safety briefings.
What to do if the network is 100 volts?
What to do if the voltage in the network is 100-140 volts? How to increase the voltage in the network using a stabilizer? Information about SUNTEK stabilizers.
How to get technical conditions for electricity connection - procedure
How is the technical specifications for the power supply of the facility. What documents are needed to get the technical conditions for the connection of electricity.
How to connect a three-phase voltage regulator?
Wiring diagrams of a three-phase voltage regulator for three and four terminals. DIY installation tips Video installation instructions.
How to renew a contract for electricity when changing ownership
Correct renewal of the power supply contract when changing the owner of a house or apartment. How to reissue an electricity contract on your own.
Overview and comparison of water leakage protection systems
The principle of protection against water leaks in the apartment. Overview and comparison of popular flood protection systems: Neptune, Hydrolock, Aquastorozh, Stop Flood "RaDuga".
What are stray currents and how to get rid of them?
The causes of stray currents, the danger of this phenomenon and measures of protection against it. Methods and devices for measuring stray currents in the ground.
How does undervoltage protection work?
What is the protection of the minimum voltage, what is its principle of operation and purpose. Which devices are used to protect against minimum voltage.
What is an electric network overload and what is it dangerous?
The causes of the overload of the power grid and the consequences of this phenomenon. Basic measures of protection against overload in the network of a private house and apartment.
What is a current leak and how to find it?
The causes of current leakage in the apartment and measures of protection against it. What is the danger of current leakage in the wiring and how to find it.
What is an electric feeder?
What is an electric feeder and why is it needed. In simple words, the definition of feeder in electrics.
What are the electrical safety approval groups?
What are the groups on electrical safety and the conditions for their assignment. How is the receipt of 2, 3, 4, 5 groups of electrical safety approval.
Security zones of power lines
What are the security zones of power lines for and what are the sizes of these zones, according to regulatory documents. Requirements for work on the protected territory of power lines.
What is a surge suppressor?
The device, purpose and principle of operation of surge arresters. The main types of arresters and the scope of each embodiment.
What are the quality indicators of electricity
The main indicators of the quality of electricity and their regulation in accordance with GOST. What are the methods for monitoring and measuring indicators of the quality of electric energy.
What organizational measures provide safety during the work in ES?
A brief description of organizational activities when working in electrical installations. What organizational measures ensure safety when working in a power plant.
Why do I need automatic re-inclusion of power lines
What is automatic re-inclusion of power lines and why is it needed. The principle of operation of the reclosure. Automation requirements for re-inclusion.
The main causes of a short circuit
What is a short circuit, because of what it arises and what danger is it. Causes of a short circuit, methods of prevention and consequences from it.
How are premises classified according to the degree of electrical hazard?
The main classification of premises according to the danger of electric shock. How premises are classified according to the degree of electrical hazard according to the EMP.
Indirect Touch Protection
Basic protective measures for indirect contact. Learn how to protect yourself from electric shock when you accidentally touch a live electrical system.
