Installation of LED strip in the kitchen: the choice of place and methods of fastening. Advantages and disadvantages of using LED strip for lighting in the kitchen. Rules for choosing LED strip for kitchen furniture.

Calculation of the resistor for the LED: limiting, current and voltage. The use of a current-limiting resistor for an LED. How to calculate the dissipation power for an LED. Selection of limiting resistors for 12V LEDs.

Three-phase meter: direct and semi-indirect connection, device and purpose. Can a three-phase meter be used as a single-phase. Connecting the load to a three-phase electricity meter.

Open wiring: description, cable selection, installation technology and varieties. What is the best way to lay outdoor wiring for an apartment. Typical errors when installing external wiring.

Electronic electricity meter: characteristics and definition of indicators. What is the difference between an electronic counter and an induction counter. Types of digital electricity meters. Which electronic electricity meter is better to choose for an apartment.

Electrician kit: list of wiring tools and measuring instruments. Is it worth buying a ready-made kit for electrical work or is it better to assemble it yourself. What must be included in the set of an electrician.

Transformer for LED strip: selection classification. What you need to know about power transformers. How to choose a transformer for an LED strip according to its characteristics. Calculation of power supply transformer for 12 and 24 volts for LED strip.

PUGB wire: technical specifications of the mounting and power wires. Features of storage and installation of electric wire ПУГВ. Differences from the PV-3 wire. Advantages and disadvantages of the PUGB wire.

How to conduct electricity to the site: a statement, without a house, pipe rack for input. What documents do you need to have in order to connect the land to electricity. Features of connecting electricians to the site in SNT.

Wires PV-3: scope and design features. Appointment and service life of wires PV-3. Wire construction and section table. Operating conditions and technical parameters of the PV-3 wires.

Relay connection diagram: contact, 12V, intermediate, principle of operation and control. Varieties of contact relays: 2, 4, 5 and 6 contacts. Ways to connect a relay. Scopes of cross over relays.