Publications
- Category: Knowledge base
- What is the capacity of a battery and how is it measured?
- What is the difference between conductors and dielectrics, their properties and scope
- Is it possible to make a fuel-free energy generator with your own hands?
- Coulomb's law, definition and formula - electric point charges and their interaction
- The history of the discovery of electricity
- How to install an infrared underfloor heating under a tile?
- How to convert lumens to lux
- How to install electric underfloor heating under tiles?
- How to make an electronic printed circuit board at home?
- How to learn to read electrical diagrams?
- How to convert amps to watts and vice versa?
- How to convert amps to kilowatts?
- How to convert kilowatts to horsepower?
- How to connect and set up the Internet on the TV?
- How to use a multimeter - measure voltage, current and resistance
- How to choose the right car battery?
- How to solder with a soldering iron with rosin
- How to solder two wires with a soldering iron?
- How does the piezoelectric element work and what is the piezoelectric effect
- How to make a simple TV antenna yourself?
- How to make a Tesla coil with your own hands?
- How to make a metal detector with your own hands, help for beginners
- How to solder aluminum at home, features of aluminum soldering
- How are elements conventionally indicated on electrical diagrams?
- How to install an electric doorbell - step by step instructions
- How to install and configure a satellite dish yourself?
- What types of energy classes are there
- What types of grounding systems exist and what is protective grounding?
- What are the professions related to electricity
- What are the main types of rechargeable batteries?
- DIY Faraday cage
- When and why rosin is used when soldering
- What to look for when choosing a wireless doorbell
- Determining the capacitance of series or parallel connected capacitors - formula
- Determining the direction of the magnetic induction vector using the gimlet rule and the right hand rule
- Parallel and series connection of conductors
- A complete description of the life and major inventions of Thomas Edison
- Checking the electrical parameters of a car battery with a multimeter
- Lorentz force and the left hand rule. Movement of charged particles in a magnetic field
- How many watts are in a kilowatt?
- How many electrical safety groups exist and the principles for their assignment
- What is the difference between an analog signal and a digital signal - examples of use
- What is the difference and where direct and alternating current are used
- What to do if the phone stops charging from charging - the main reasons
- What does selectivity mean in electrics, types of selective protection
- What does the degree of IP protection mean - transcript, table, examples of use
- What are RFID tags or RFID tags?
- What is active and reactive power of alternating electric current?
- What is anode and cathode?
- What is ASKUE and where is it applied?
- What is an external battery for a phone and which one is better to choose?
- What is dielectric constant
- What is inductance, what is it measured in, basic formulas
- What is infrared film underfloor heating?
- What is a capacitor, where is it used and why is it needed
- What is a short circuit in a simple way?
- What is a lithium ion battery - device and types
- What is a magnetic motor and how to make it yourself?
- What is nichrome wire, its properties and scope
- What is potential and potential difference between two points
- What is the degree of dust and moisture protection ip67?
- What is PWM - Pulse Width Modulation
- What is induction emf and when does it occur?
- What is electric capacitance, what is measured and what does it depend on
- What is electric current in simple words
- What is electrolysis and where is it used?
- What is an electrophoretic machine and how does it work?
- What is a Peltier element, device and principle of operation
- Category: Appliances
- How to choose a reliable washing machine?
- How to choose a ceiling infrared heater?
- How to choose a carob coffee maker for home - rating of the best
- How to choose the most economical electric heater for your home?
- How to choose a TV for home - an overview of the main parameters and a rating of the best models
- How to choose an economical electric convector for heating?
- How to choose an electric grill for your home - rating of the best
- How to choose an electric boiler for heating a private house?
- How to connect a digital TV set-top box to a TV
- How to choose the right iron for your home - TOP of the best models of irons
- How to connect an electric oven and hob correctly: choosing a cable, a socket with a plug, an automatic machine and a connection diagram
- How to connect an electric stove yourself?
- Which microwaves are the best and most reliable - choosing a microwave
- Which refrigerator is better to choose for the home - TOP refrigerators by price
- Why the microwave works, but does not heat - all the reasons
- Why does the plug, RCD or difavtomat knock out when the washing machine is turned on or during operation
- How much electricity is consumed by household appliances, calculation methods, table
- The refrigerator constantly works and does not turn off - all the causes of the malfunction
- Category: KIP and A
- What is a pyrometer for and how to measure temperature using a non-contact method
- What are indoor humidity sensors?
- Resistance thermometer - a sensor for measuring temperature: what is it, description and types
- What is an inductive proximity sensor, its device and principle of operation
- What is instrumentation and A and what do service specialists do: a fitter and engineer of instrumentation and A
- What is a PID controller for dummies?
- What is a solenoid solenoid valve, purpose, device and principle of operation
- What is a strain gauge, types of strain gauges, wiring diagram and their application
- What is a thermocouple, principle of operation, main types and types
- What is a thermostat and how does it work
- What is an electrocontact pressure gauge, purpose, principle of operation, connection diagram and overview of popular models
- Category: Lighting
- What is a dimmer for, what is it, dimmer connection diagram and how it works
- How to connect and configure a motion sensor to control lighting: wiring diagrams and sensor settings
- How to choose a power supply for an LED strip according to technical specifications, power calculation
- How to properly position spotlights on a stretch ceiling
- How to correctly calculate the resistor for the LED?
- Connecting a photo relay to turn on the lighting
- Proper organization of lighting in the kitchen: rules and requirements, decorative ideas
- Wiring diagram for photorelay for street lighting
- Lighting control schemes using various types of switches
- What is measured in lumens and what are the norms of illumination per 1 square meter?
- What is the color temperature of LED lamps?
- Category: Sources of light
- All types and types of socles for lighting lamps - marking rules and what are the differences
- How to choose an LED strip for lighting, types of LED strips, decoding of markings
- How to replace a fluorescent lamp with an LED one?
- How to connect a fluorescent lamp - circuits with a choke and ballast
- How to dispose of fluorescent lamps?
- Who invented the light bulb first?
- Why is the LED lamp flashing?
- Why can the LED lamp glow when the switch is off?
- Comparison of the main parameters of LED lamps and incandescent lamps, a table of correspondence between power and luminous flux
- Schemes for connecting LED strips to a 220 V network and methods for connecting strips to each other
- Installation of spotlights in a false ceiling - connection diagrams, calculation of the number of lamps
- What is a halogen lamp, where is it used, how to choose a halogen lamp for the home
- What is a choke?
- What is a fluorescent lamp and how does it work?
- Category: electrical equipment
- What is the difference between the connection diagrams of the motor windings with a star and a triangle
- Types of thermostats for underfloor heating
- What is a magnetic starter for and how to connect it
- What is an oscilloscope for and how to measure current, voltage, frequency and phase shift
- Surge protection: which is better stabilizer or voltage control relay?
- How to choose an uninterruptible power supply for a gas boiler?
- How to choose a generator for a country house or cottage, TOP models
- How to choose a car battery charger
- How to choose an uninterruptible power supply for a gas boiler?
- How to choose a starter charger for a car battery?
- How to choose a voltage stabilizer for a gas heating boiler in a 220 V network?
- How to replace a battery in a car - replacement procedure
- How to find zero and phase with an indicator screwdriver, multimeter and without instruments?
- How to connect a 3 phase electric motor to a 220 volt network through a capacitor
- How to connect a single-phase voltage regulator to the whole house?
- How to connect a single-phase electric motor - a circuit with a capacitor
- How to connect a step-down transformer from 220 to 12 volts?
- How to choose a voltage stabilizer for a private house or apartment?
- How to use an indicator screwdriver?
- How to change the electricity meter in an apartment or a private house?
- How to choose the right one and which one is better to put an electric meter in an apartment
- How to take readings from the electricity meter?
- How to make a mini wind generator with your own hands?
- How to make a time relay with your own hands?
- How to amplify the signal from a TV antenna?
- How an alternator works - purpose and principle of operation
- What types and types of voltage stabilizers for the home are there?
- What kind of voltage stabilizer is needed for a refrigerator
- The best voltage stabilizers for the home - a comparison of popular models
- Overview of a single-phase electric meter Energomer CE 101
- Overview of a single-phase electric meter Mercury 201 - connection diagram
- Overview of a three-phase electric meter brand Mercury 230
- The main types and principle of operation of the time relay
- Features and connection diagram of the frequency converter to different types of electric motors
- Verification of the electric meter: verification period and calibration interval
- Voltage converters from 12 to 220 volts
- The principle of operation and the connection diagram of the thermal relay
- Checking electric motors of various types with a multimeter
- Ways to protect the electrical network of an apartment or house from power surges
- Scheme of operation of the soft starter, its purpose and design
- Current transformers: device, principle of operation and types
- SPD - what is it, description and connection diagrams in a private house
- The device and principle of operation of power transformers
- Device, types and principle of operation of asynchronous electric motors
- What to do if the electric meter in the apartment stops or breaks?
- What is a bypass in a voltage stabilizer - the principle of operation of stabilizers
- What is a hydrogen generator and how to make it yourself
- What is a reed sensor and where is it used?
- What is a voltage divider and how to calculate it?
- What is a pulse relay - connection diagram for lighting control
- What is a switching power supply and where is it used
- What is a contactor: purpose, principle of operation, types, connection diagrams
- What is the transformation ratio of a transformer?
- What is a voltage relay and why is it needed in an apartment
- What is a surge protector, why is it needed and where is it used
- What is a solid state relay and what is it for?
- What is a transformer, its device, principle of operation and purpose
- What is a transformer: device, principle of operation and purpose
- What is UZM 51M in electrics - characteristics, connection diagram
- What is a frequency converter, the main types and what is the principle of operation
- What is an electromagnetic relay, their types and principle of operation
- Category: Automatic machines and RCDs
- How to choose a circuit breaker for power and load current?
- How to choose the right RCD for an apartment or a private house
- What kind of circuit breaker to put on the input to the apartment and private house?
- Wiring diagram for RCDs and circuit breakers in the shield
- What is the difference between RCD and difavtomat
- What is a din rail?
- What is a differential machine?
- What is an RCD - purpose, principle of operation, marking and types
- Category: Electronic components
- How to measure the capacitance of a capacitor with a multimeter?
- How to determine the polarity of electrolytic capacitors, where is plus and minus?
- How to check the capacitor for performance with a multimeter?
- How the TL431 chip works, switching diagrams, description of characteristics and performance check
- How does a transistor work and where is it used?
- How to decipher the marking of a capacitor and find out its capacity?
- Purpose, characteristics and analogues of the transistor 13001
- Description of characteristics, pin assignments and examples of switching circuits of the linear voltage regulator LM317
- Description, specifications and analogues of rectifier diodes of the 1N4001-1N4007 series
- Description, device and principle of operation of a field-effect transistor
- Description, characteristics and switching circuit of the voltage stabilizer KREN 142
- Determining the nominal resistance value of a resistor by marking with color stripes: online calculator
- The principle of operation and the main characteristics of the zener diode
- Deciphering the digital and letter marking of SMD resistors
- Operating modes, description of characteristics and pin assignment of the NE555 chip
- What is an attenuator, how it works and where it is used
- What is a bipolar transistor and what switching circuits exist
- What is a varistor, the main technical parameters, what it is used for
- What is a voltage rectifier and what is it for: typical rectifier circuits
- What is a heterodyne in simple words and where is it used
- What is a Hall sensor: principle of operation, device and methods of testing for performance
- What is a diode bridge, the principle of its operation and the connection diagram
- What is a quartz resonator and how does it work?
- What is a voltage comparator and what is it for?
- What is a capacitor, types of capacitors and their application
- What is a microcircuit, types and packages of microcircuits
- What is an operational amplifier?
- What is an optocoupler, how it works, main characteristics and where it is used
- What is a semiconductor diode, types of diodes and a graph of the current-voltage characteristic
- What is a resistor and what is it for?
- What is an LED, its principle of operation, types and main characteristics
- What is a triac and how to use it to control the load
- What is a thermistor, their varieties, principle of operation and methods of testing for performance
- What is a thyristor, how does it work, types of thyristors and a description of the main characteristics
- What is a trigger, what is it for, their classification and principle of operation
- Category: Wiring
- Types of terminals for connecting wires
- How to calculate the required wire cross-section according to the load power?
- How to assemble an electrical switchboard for an apartment
- What are the types of terminal blocks?
- Assembling a distribution electrical panel for an apartment
- Category: Tools and devices
- What are clamp meters used for?
- How to choose a multimeter?
- How to choose a step and cone drill for metal?
- How to choose heat shrink tubing for wires?
- How to choose a digital multimeter?
- How to use a megger to measure cable insulation resistance?
- Which is better to choose a hidden wiring detector?
- Press pliers for crimping wire lugs
- Pinout of a twisted pair or how to compress the connector of a network Internet cable?
- Universal tool kit for an electrician - we assemble an electrician's suitcase
- What is an ammeter and how do they measure?
- Category: Wires and cables
- What is the difference between a cable and a wire and what to choose
- We make open retro wiring with our own hands
- Why do we need a corrugation for electrical wiring, how to choose it and lay the cable in the corrugation
- How to choose speaker cable for speakers?
- How to choose a heating cable for heating roofs and gutters?
- How to choose and connect a heating cable outside and inside a water pipe
- How to choose a metal cable tray?
- How to install a SIP cable from a pole to a house
- How to lay a power cable in the ground
- How to fix the wires of the power cable on the wall - all ways
- How can wires be connected in a junction box?
- How to connect a cable from a computer or laptop to a TV?
- How to connect a warm floor to electricity - wiring diagram
- How to solder the wires to the headphone plug?
- How to connect copper and aluminum wires correctly?
- How to conduct wiring in the apartment with your own hands?
- How to ditch walls for wiring - requirements, tool selection, ditching technology
- Which wiring is better - comparison of copper and aluminum wiring
- What are the types of cable connectors?
- What wires are - all types of cables and wires
- What color and how are zero, phase and ground wires indicated in an electrician?
- Which antenna cable is better to use for a TV - all criteria
- What cable for the Internet is better to lay in the apartment?
- Which cable is better single or stranded?
- Which wire is better to use for wiring in an apartment and in a private wooden house?
- Marking of wires and cables and decoding the brand
- Do-it-yourself wiring installation in a wooden house - step by step instructions
- Insulated pin lugs - NShVI
- Description and technical characteristics of the wire PVA
- Description and technical characteristics of the power cable AVBBSHV
- Determining the cross-sectional area of a conductor by its diameter
- Main technical characteristics of AVVG power cable
- Wire PV 3: Specifications, scope
- PVC wire and its technical characteristics
- Wire ringing with a multimeter - what does it mean and how is it done
- Wiring and hiding a television cable in an apartment
- Varieties and design features of electrical wires
- Decoding, description and technical characteristics of the PuGV wire
- Ways to connect the SIP wire with different cables
- Methods for connecting electrical wires to each other
- USB cable pinout by color
- Technical characteristics and scope of cable KG
- Specifications and scope of NYM power cable
- Technical characteristics and scope of the VVG power cable
- What is a coaxial cable, main characteristics and where it is used
- What is fiber optic cable
- What is SIP wire, how it stands for, its types and design features
- What is a power cable and what does it consist of?
- What is a cable joint?
- Category: Sockets and switches
- How to choose a concrete crown for socket boxes?
- How to connect a two-gang switch yourself
- How to connect a wire to a single-gang switch?
- How to connect a pass switch: lighting control schemes from two, three or more places
- How to connect a grounded socket?
- How to connect a towbar socket to a car: trailer socket diagram
- How to connect an RJ-45 Internet network socket - pinout diagram
- How to use and how to set the socket timer?
- How to use Wago terminal blocks to connect wires?
- How to properly arrange sockets and switches in an apartment according to the European standard?
- How to arrange sockets in the kitchen - height, quantity and placement
- How the touch switch works - wiring diagrams
- What are the main models of Schneider electric sockets and switches?
- At what height should sockets and switches be from the floor in the apartment?
- The main types of crowns for drilling concrete
- Category: Power supply
- How is the sealing of electricity meters performed - an application, how much it costs, a fine for removal
- How to make a ground loop in a private house - circuit calculation and installation
- How to calculate the voltage drop along the length of the cable in electrical networks
- How to calculate the cost for paying for electricity according to the meter and according to the standard
- How an electric battery works, its principle of operation, types, purpose and main characteristics
- What types of batteries exist: what is the difference between AA and AAA finger batteries
- What are the types of electrical sources?
- Responsibility for unauthorized connection to power grids - a fine for illegal connection of electricity
- Fuses - their purpose, types and types, device and principle of operation
- Practical ways to save electricity in an apartment and a private house
- Advantages and disadvantages of the night electricity tariff
- Typical ATS connection diagrams - definition, principle of operation
- What you need to connect electricity to a house or plot
- What is a single-line power supply scheme and what are the requirements for its design
- What is a phase-zero loop in simple terms - a measurement technique
- What is phase and line voltage?
- Category: Safety
- How and with what to extinguish electrical equipment under voltage?
- How to test dielectric gloves?
- How to get rid of static electricity yourself
- Classification and purpose of basic and additional means of protection against electric shock
- Providing first aid to an electric shock victim
- What is the difference between dielectric galoshes and bots, where they are used and how they are believed
- What is static electricity and how to deal with it?
- What is step voltage and how to leave the danger zone
- What is electromagnetic radiation and how does it affect humans
