Publications
- Category: Knowledge Base
- In what and how is the capacity of a battery measured?
- What is the difference between conductors and dielectrics, their properties and applications
- Is it possible to make a fuel-free power generator with my own hands?
- Coulomb's law, definition and formula - electric point charges and their interaction
- History of electricity
- How to install infrared underfloor heating under tiles?
- How to translate lumens into lux
- How to install electric underfloor heating under tile?
- How to make an electronic circuit board at home?
- How do I learn to read electrical circuits?
- How do I convert amps to watts and back?
- How do I convert amps to kilowatts?
- How do I convert kilowatts to horsepower?
- How do I connect and set up the Internet on my TV?
- How to Use a Multimeter - Measuring Voltage, Amperage, and Resistance
- How to choose the right battery for your car?
- How to solder with a rosin soldering iron
- How to correctly solder two wires with a soldering iron?
- How does the piezo element work and what is it the piezo effect?
- How to make a simple TV antenna by yourself?
- How to make a Tesla coil with my own hands?
- How to make a metal detector with their own hands, help for beginners
- How to solder aluminum at home, features of soldering aluminum
- How are the elements conventionally marked in electrical circuits?
- How to install an electric doorbell - step by step instructions
- How to install and adjust the satellite dish by yourself?
- What types of energy classes are there
- What types of grounding systems exist and what is protective grounding?
- What are some professions related to electricity
- What are the main types of rechargeable batteries that exist?
- Faraday cage with their own hands
- When and why rosin is used in soldering
- What to look for when choosing a wireless doorbell
- Determining the capacity of capacitors in series or parallel - formula
- Determining the direction of the magnetic induction vector using the rule of the drill and the right hand rule
- Parallel and series connection of conductors
- Full description of Thomas Edison's life and major inventions
- Verifying the electrical behavior of a car battery with a multimeter
- Lorentz force and the rule of left hand. The movement of charged particles in a magnetic field
- How many watts are in a kilowatt?
- How many electrical safety groups are there and the principles of their assignment
- What is the difference between an analog signal and a digital signal - examples of uses
- What is the difference and where are direct and alternating currents used
- What to do if your phone stops charging from the charger - the main reasons
- What selectivity means in electricity, types of selective protection
- What IP degree of protection means - deciphering, table, examples of use
- What are RFID tags or radio frequency identification tags?
- What is the active and reactive power of alternating electrical current?
- What is anode and cathode?
- What is an ASCE and where is it used?
- What is an external battery for a phone and what is the best choice?
- What is permittivity
- What is inductance, how is it measured, basic formulas
- What is infrared film underfloor heating?
- What is a capacitor, where to use it and what it's for
- What is a short circuit in simple terms?
- What is a lithium ion battery - device and types
- What is a magnetic motor and how to make it with my own hands?
- What is nichrome wire, its properties and applications
- What is a potential and a potential difference between two points
- What is an ip67 degree of dust and moisture protection?
- What is PWM - pulse width modulation
- What is induction EMF and when does it occur?
- What is capacitance, how is it measured, and what does it depend on?
- What is an electric current in simple words
- What is electrolysis and where is it used?
- What is an electroforming machine and how does it work?
- What is a Peltier element, device and principle of operation
- Category: Household appliances
- How to choose a reliable automatic washing machine?
- How to choose a ceiling infrared heater?
- How to choose a coffee carob for the house - rating of the best
- How to choose the most economical electric heater for the house?
- How to choose a TV for the house - review of the main parameters and rating of the best models
- How to choose an economical electric convector for heating?
- How to choose an electric grill for the house - rating of the best
- How to choose an electric boiler for heating a private home?
- How to connect a digital TV set-top box to your TV
- How to choose the right iron for the house - TOP best models of irons
- How to properly connect an electric oven and cooktop: the choice of cable, socket with plug, automatic circuit breaker and wiring diagram
- How to independently connect an electric stove?
- What are the best and most reliable microwave ovens - the choice of microwave
- What refrigerator is best to choose for the house - Top refrigerators by price
- Why the microwave oven works, but does not heat - all reasons
- Why when you turn on or during the washing machine knocks out the plug, RCD or a difavtomat
- How much electricity household appliances consume, ways to calculate, table
- Refrigerator constantly works and does not turn off - all causes of failure
- Category: Instrumentation and A
- What a pyrometer is needed for and how to measure temperature with a non-contact method
- What are the sensors for humidity in the room
- Resistance thermometer - a sensor for measuring temperature: what is it, description and types
- What is an inductive non-contact sensor, its structure and principle of operation
- What is the I&C and what do service specialists do: mechanic and I&C engineer
- What is a PID controller for dummies?
- What is a solenoid solenoid valve, its purpose, design 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 it works
- What is an electric contact pressure gauge, purpose, principle of operation, connection diagram and review of popular models
- Category: Lighting
- What do you need a dimmer for, what is it, the connection diagram of the dimmer and the principle of its operation
- How to connect and configure a motion sensor to control lighting: wiring diagrams and sensor setup
- How to choose the power supply for LED strip on the technical characteristics, the calculation of power
- How to choose the correct location of spotlights on the suspended ceiling
- How to correctly calculate the resistor for the LED?
- Connecting the photocell to turn on the light
- Proper organization of lighting in the kitchen: rules and requirements, decorative ideas
- Diagram for connecting a light barrier relay for street lighting
- Lighting control diagrams using different types of switches
- What is measured in lumens and what are the norms of illumination per square meter?
- What is the color temperature of LED lamps?
- Category: Light Sources
- All types and kinds of bases for light bulbs - marking rules and what is the difference
- How to choose a LED strip for lighting, types of LED strips, deciphering labels
- How to replace a fluorescent tube on the LED?
- How to Connect a Fluorescent Lamp - Diagrams with a Throttle and Ballast
- How to dispose of fluorescent lamps?
- Who invented the light bulb first?
- Why does an LED bulb blink?
- Why can the LED bulb light up when the switch is off
- Comparison of the main parameters of LED lamps and incandescent lamps, the table of correspondence of power and luminous flux
- Diagrams for connecting LED strips to the mains 220 V and ways to connect the ribbons with each other
- Installation of spotlights in a suspended ceiling - connection diagrams, calculation of the number of lamps
- What is a halogen lamp, where it is 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 wiring diagrams of electric motor windings star and delta
- Types of thermal regulators for underfloor heating
- What is a magnetic starter and how to connect it
- Why do I need an oscilloscope and how to use it to measure current, voltage, frequency and phase shift?
- Overvoltage protection: which better stabilizer or voltage control relay?
- How to choose an uninterrupted power supply for a gas boiler?
- How to choose a generator for a country house or a cottage, top models
- How to choose a battery charger for your car
- How to choose an uninterruptible power supply for the gas boiler?
- How to choose a starter charger for the car battery?
- How to choose a voltage regulator for a gas heating boiler in the network 220V?
- How to replace the battery in the car - order of replacement
- How to find zero and phase with a screwdriver, multimeter and no instrument?
- How to connect a 3-phase electric motor to 220 volts through a capacitor
- How to connect a single-phase voltage regulator for the whole house?
- How to connect a single-phase electric motor - circuit with a capacitor
- How to connect a step-down transformer from 220 to 12 volts?
- How to choose a voltage regulator for a private house or apartment?
- How to use the indicator screwdriver?
- How to change the electric meter in an apartment or private house?
- How to choose and what is better to place an electricity meter in the apartment
- How to correctly read off the electric meter?
- How to make a mini wind turbine with their own hands?
- How to make a time relay with their own hands?
- How to amplify a signal from the TV antenna?
- How is the alternator of alternating current - purpose and principle of operation?
- What types and kinds of voltage stabilizers for the home exist?
- What voltage regulator is necessary for the refrigerator
- The best voltage stabilizers for home - comparison of popular models
- Single-phase electricity meter Energomera CE 101 Overview
- Single-phase electricity meter Mercury 201 - connection diagram
- Overview of three-phase electricity meter brand Mercury 230
- Main types and working principle of time relays
- Features and wiring diagram of the frequency converter for different types of motors
- Verification of electricity meters: verification period and intervals
- Converters from 12 to 220 volts
- Working principle and wiring diagram of the thermal relay
- Testing of electric motors of different types with a multimeter
- How to protect the electrical network of the apartment or house from voltage surges
- Operation scheme of soft starter, its purpose and design
- Current transformers: design, principle of operation and types
- SPD - what is it, description and connection diagrams in a private home
- Design and principle of operation of power transformers
- Design, types and principle of operation of asynchronous electric motors
- What to do if the electric meter in the apartment stopped or broke?
- What is a bypass in a voltage regulator - the principle of stabilizers
- What is a hydrogen generator and how to make it with your own hands
- What is a reed sensor and where is it used?
- What is a voltage divider and how to calculate it?
- What is a switching relay - wiring diagram for lighting control
- What is switching-mode power supply and where is it used?
- What is a contactor: purpose, principle of operation, types, wiring diagrams
- What is a transformer ratio?
- What is a voltage relay and why do I need it in my apartment?
- What is a surge protector, what is it for and where is it used?
- What is a solid state relay and what does it do?
- What is a transformer, how does it work and what does it do?
- What is a transformer: device, principle of operation and purpose
- What is UZM 51M in electrical engineering - 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: Circuit breakers and RCDs
- How to choose a circuit breaker on the power and load current?
- How to choose the right RCD for an apartment or private home
- What kind of circuit breaker to put in the input in the apartment and private house?
- Wiring diagram RCD and circuit breakers in the switchboard
- What is the difference between RCD and difficuator
- What is a din rail?
- What is a differential circuit breaker?
- What is RCD - purpose, principle of operation, marking and types
- Category: Electronic Components
- How do I measure the capacitance of a capacitor with a multimeter?
- How to determine the polarity of electrolytic capacitors, where the plus and minus?
- How to test a capacitor with a multimeter?
- How does the TL431 circuit work, circuit diagrams, description of the characteristics and performance test
- How does the transistor work and where is it used?
- How to decipher the capacitor marking and find out its capacitance?
- Transistor 13001 Designation, Characteristics and Analogues
- Purpose, pin assignments, and example circuit diagrams for the LM317 Linear Voltage Stabilizer
- Description, Specifications and Analogues of 1N4001-1N4007 Series Rectifier Diodes
- Description, Design, and Operation of a Field Effect Transistor
- Description, characteristics and connection diagram of voltage regulator KREN 142
- Determination of the nominal value of resistor resistance by marking with color bars: online calculator
- The principle of operation and the basic characteristics of the regulator
- Deciphering of numerical and alphabetic marking of SMD resistors
- Operation modes, 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 are the switching circuits
- What is a varistor, its 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 terms and where is it used?
- What is a Hall sensor: principle, construction and function testing
- What is a diode bridge, how it works and connection diagram
- What is a crystal oscillator and how does it work?
- What is a voltage comparator and what does it do?
- What is a capacitor, types of capacitors and their applications
- What is a chip, types and packages of chips
- What is an operational amplifier?
- What is an optocoupler, how it works, main features, and where to use it
- What is a semiconductor diode, types of diodes, and volt-ampere diagram
- What is a resistor and what does it do?
- What is a LED, its principle of operation, types and main characteristics
- What is a triac and how to control the load with it
- What is a thermistor, its types, how it works, and how to test it
- What is a thyristor, how it works, types of thyristors and description of their 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 cross section of the wire on the power load?
- How to assemble an electrical distribution board for an apartment
- What kinds of terminal connection blocks are available?
- Assembling an electrical distribution board for an apartment
- Category: Tools and appliances
- What are clamp meters for?
- How to choose a multimeter?
- How to choose a step and cone metal drill bit?
- How to choose heat shrink tubing for wires?
- How to choose a digital multimeter?
- How do I use a megohmmeter to measure cable insulation resistance?
- Which is the best hidden wire detector to choose?
- Press pliers for crimping wire lugs
- Twisted pair pinout or how to crimp an Internet network cable connector?
- Universal tool kit for the electrician - assembling an electrician's suitcase
- What is an ammeter and how to measure with it?
- Category: Wires and cables
- What is the difference between cable and wire, and what to choose
- Making an open retro wiring with my own hands
- Why do we need corrugated wiring, how to choose it and how to run the cable in a corrugated
- How to choose an acoustic cable for speakers?
- How to choose a heating cable for roof and gutters heating?
- How to choose and connect a heating cable inside and outside a water pipe
- How to choose a metal cable tray?
- How to install power cable from pole to house
- How to install a power cable in the ground
- How to attach the power cable wires to the wall - all the ways
- How do you connect the wires in a junction box?
- How do I connect a cable from my computer or laptop to my TV?
- How to connect underfloor heating to electricity - connection diagram
- How to properly solder wires to a headphone plug?
- How to properly connect copper and aluminum wires?
- How to conduct wiring in the apartment with their own hands?
- How to tap the wall for wiring - requirements, tool selection, technology wiring
- Which wiring is better - comparison of copper and aluminum wiring
- What kinds of connectors for cables are there?
- What wires are there - all kinds of cables and wires
- What color and how are zero, phase, and ground wires in electrical?
- Which antenna cable is best for your TV - all criteria
- What kind of cable for the Internet is better to lay in the apartment?
- Which cable is better solid or stranded?
- What is the best wire to use for wiring in the apartment and in a private wooden house?
- Marking of wires and cables and deciphering the brand
- Installation of electric wiring in a wooden house with their own hands - step by step instructions
- Insulated dowel pin ferrules - nSHVI
- Description and technical characteristics of wire PVS
- Description and specifications of power cable AVBSSHV
- Definition of conductor cross-sectional area by its diameter
- Main technical specifications of power cable AVVG
- PVS 3 wire: Technical specifications, scope of application
- PVS wire and its specifications
- Wire drawing with multimeter - what it means and how it is made
- Divorce and concealment of the television cable in the apartment
- Varieties and design features of electric wires
- Deciphering, description and specifications of the wire PuGV
- Ways of connecting wire CIP with different cables
- Ways to connect electrical wires with each other
- USB cable pinout diagram by colors
- Technical specifications and application areas of cable KG
- Technical characteristics and scope of application of power cable NYM
- Technical characteristics and scope of use of power cable VVG
- What is a coaxial cable, its main specifications and where it is used
- What is fiber optic cable
- What is a wire CIP, how it is deciphered, its types and peculiarities of construction
- What is a power electrical cable and what does it consist of?
- What is a cable coupler?
- Category: Outlets and switches
- How to choose a concrete drill bit for sub-sockets?
- How to wiring a two-way switch yourself
- How to connect a wire to a single light switch?
- How to connect a loop switch: lighting control schemes from two, three and more places
- How to connect a grounded outlet?
- How to connect a towbar socket to the car: trailer socket pinout diagram
- How to connect an RJ-45 network internet outlet - pinout diagram
- How to use and how to set the timer outlet?
- How to use Wago terminal blocks to connect wires?
- How to properly arrange the sockets and switches in an apartment to the European standard?
- How to properly position outlets in the kitchen - height, number and placement
- How does the touch switch work - connection diagrams
- What are the main models of sockets and switches Schneider electric?
- At what height should the sockets and switches be from the floor in the apartment?
- The main types of drill bits for drilling concrete
- Category: Electricity
- How to seal electricity meters - application, how much does it cost, penalty for removal
- How to properly make a ground loop in a private home - circuit calculation and installation
- How to calculate the voltage drop over the length of the cable in electrical networks
- How to calculate the cost to pay for electricity according to the meter and the norm
- How the electric battery is built, its principle of operation, types, purpose and main characteristics
- What kinds of batteries are there: what is the difference between AA and AAA
- What types of electric current sources are there?
- Liability for unauthorized connection to the electricity grid - fine for illegal plugging
- Fuses - their purpose, types and kinds, construction and principle of operation
- Practical ways to save electricity in the apartment and private home
- Advantages and disadvantages of the night tariff on electricity
- Typical ATS connection diagrams - definition, principle of operation
- What does it take to connect electricity to the house or lot
- What is a single-line diagram of electricity and what are the requirements for its design
- What is a phase-zero loop in simple terms - the technique of measurement
- What is phase and line voltage?
- Category: Safety
- How and what to put out live electrical equipment?
- How to test dielectric gloves?
- How to get rid of static electricity yourself
- Classification and purpose of the basic and additional means of protection against electric shock
- Rendering first aid to the victim of electric current
- What is the difference between dielectric galoshes and boots, where they are used and how they are checked?
- 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 it affects people
