Wiring diagrams of a three-phase voltage regulator for three and four terminals. DIY installation tips Video installation instructions.

The principle of protection against water leaks in the apartment. Overview and comparison of popular flood protection systems: Neptune, Hydrolock, Aquastorozh, Stop Flood "RaDuga".

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.

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.

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.

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 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.

A brief description of organizational activities when working in electrical installations. What organizational measures ensure safety when working in a power plant.

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.

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.

Basic protective measures for indirect contact. Learn how to protect yourself from electric shock when you accidentally touch a live electrical system.

Abnormal operating conditions and damage in electrical installations. The causes of malfunctions in electrical installations and how to prevent them.

What is an insulating rod and where is it used. Rules for using devices, as well as testing technology for insulating rods.

Ways to protect the cable from mechanical damage. PUE requirements for protective equipment. Technology laying signal tape, bricks and slabs.

Overview of dielectric shield fencing used in electrical installations. Requirements for electrical insulation boards, rules for checking and using fences.

What are dielectric gloves and what are they for. Appointment of electrical protective gloves, rules of use and test procedure.

What is induced voltage and what is the danger of this phenomenon? Protection measures against interference in the apartment and on the overhead line. The causes of induced voltage.

Types of voltage indicators used in everyday life and in production. Rules for using devices, as well as the purpose of each individual type of pointer.

What is phase rotation and how to check it yourself. Methods of checking phase rotation in a three-phase network with the device ФУ 2. Importance of phasing control

The causes of electric shock and the main measures of protection against it in the home and at work. Rules for the safe handling of electrical appliances.

Safety measures when performing live work. Learn how to protect yourself when working under high voltage on overhead lines, Video safety lesson.

What are insulating ticks and what are they used for. Purpose, design and frequency of testing insulating ticks.

What is static electricity and when does it occur? Measures and means of protection against static electricity in the home and in the workplace.

Basic and additional electrical protective equipment used in electrical installations with voltages above 1000 Volts. List of remedies and requirements for them.