How to turn off the light in the apartment: in the dashboard, entrance, when you need to turn it off. Security measures when turning off the electricity in the apartment. What does it mean to turn off the electricity in the apartment. How to find the right machine.

Increase in electric power in a private house up to 30 kW: procedure and documents. Why you may need to increase the power supply of a private house. Ways to increase the allowed power of electricity.

Wire connector: copper, screw and threaded connectors, splicing. What is the best way to connect electrical wires for durability and reliability. How to connect wires of different sections to each other correctly.

Electricity meter Mercury: fields of application, advantages and disadvantages. The history of the production of electricity meters Mercury. Design and varieties of electricity meters. Criteria for choosing an electric meter.

Electric meter connection diagram: in a private house or apartment, an old meter. How to check the correct connection of a single-phase electricity meter. Features of connecting old electricity meters.

Assembly of electrical panels: do it yourself, the rules for installing and laying wires. Installation diagram of the distribution panel for a private house. What are the components of an electric panel in an apartment. The location of the wires in the shield.

Designation of the relay in the diagram: according to GOST, relay contacts, intermediate and current relays. How electromagnetic relays are indicated on electrical circuits. Letter designations in thermal relays and time relays in electrical circuits.

L on the switch: meaning, other letters and colors. What designations must be known for the correct connection of one- and two-key light switches. Description of common signs.

Power limiter: single and three phase, purpose and variety. Design and principle of operation of power limiters. Wiring diagrams and setting up a power limiter for a single-phase network.

Do LED lamps for a home get warm: design features and reasons for heating. To what temperature the LED lamp can warm up during operation and what consequences there may be from this. Is it possible to avoid heating the LED lamp.

Electric cable: decoding of marking, purpose, pros and cons. Power cable design: cores, insulation component. Types of cables for electricians in an apartment or private house.