Electrician Handbook — Basics

Electrician Handbook — Basics

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Electrician Handbook — Basics: The Essential Offline Tool for Your Digital Belt

Master every project with interactive diagrams, professional calculators, and comprehensive theory. No ads, no subscriptions, and zero data required on the job site.

Publisher

Sergey Vavaev

Category

Reference

Downloads

386K+

User Rating

4.8/5

Total Ratings

1K+

Locales

29

Precision in Your Pocket

Discover the interface used by 386K+ users.

An educational screen from the Electrician Handbook app explaining how electricity travels from a power plant through a substation to residential homes with a diagram

An educational screen from the Electrician Handbook app explaining how electricity travels from a power plant through a substation to residential homes with a diagram

Interactive single-gang and two-gang switch wiring diagrams showing electrical circuit connections.

Interactive single-gang and two-gang switch wiring diagrams showing electrical circuit connections.

Electrician Handbook app screenshot displaying key electrical theory topics and concepts.

Electrician Handbook app screenshot displaying key electrical theory topics and concepts.

Mobile interface showing an electrical calculator with formulas for power current and resistance

Mobile interface showing an electrical calculator with formulas for power current and resistance

Informative screen from the Electrician Handbook app explaining how circuit breakers protect against overloads and short circuits.

Informative screen from the Electrician Handbook app explaining how circuit breakers protect against overloads and short circuits.

Step-by-step working logic diagram of a Residual Current Device RCD showing current flows and safety mechanism.

Step-by-step working logic diagram of a Residual Current Device RCD showing current flows and safety mechanism.

Ohms Law formulas and triangle diagrams showing the relationship between voltage current and resistance

Ohms Law formulas and triangle diagrams showing the relationship between voltage current and resistance

Diagram of a transformer structure with labeled components and descriptions for educational reference.

Diagram of a transformer structure with labeled components and descriptions for educational reference.

A list of interactive electrical schemes and lighting wiring diagrams in the Electrician Handbook app.

A list of interactive electrical schemes and lighting wiring diagrams in the Electrician Handbook app.

Theory section of the Electrician Handbook app explaining grounding systems with a TN-C electrical diagram.

Theory section of the Electrician Handbook app explaining grounding systems with a TN-C electrical diagram.

A Master Electrician’s Knowledge in Your Pocket

The tools that make this app stand out, trusted by 386K+ users.

🔌

Interactive Wiring Diagrams

Visualize and interact with complex circuits for switches and motors to ensure a perfect installation every time.

📐

Precision Pro Calculators

Instant AWG conversions, Ohm’s Law formulas, and wire cross-section tables that work 100% offline in any dead zone.

🛠️

Your Lifetime Digital Tool

No subscription fatigue. Pay once for a professional-grade library of safety standards and electrical theory.

Loved by users worldwide

Trusted by 386K+ people who love this app.

"

"This app is a game-changer for my vocational studies. The interactive diagrams helped me finally grasp complex three-way switch configurations, and the self-check exercises are perfect for exam prep. Plus, no ads means I can actually focus."

Ethan M., Electrical Apprentice
"

"The offline functionality is a lifesaver when I am working in basements or remote sites with no signal. I use the AWG calculators and wire cross-section tables daily. It is a professional-grade tool that belongs on every electrician's phone."

Marcus T., Licensed Journeyman

About the app

Everything you need to know about Electrician Handbook — Basics.

Description

Electrician’s Handbook — an app for electricians, students, and installers. Theory, diagrams, and calculators in one place. Works offline. No ads. No subscriptions. — Theory A variety of topics in electrical engineering: from basic concepts to grounding and lighting diagrams. Some topics include exercises with answers for self-check. — Diagrams Interactive electrical diagrams. You can interact with elements to better understand how they work. — Calculators A section with calculators, formulas, and useful reference tables. — Community A section where users can ask questions, share experience, and get advice from other members. — Contents of the "Theory" section: Basic concepts • Voltage, current, resistance, power • Ohm’s Law, Kirchhoff’s rules • Parallel and series connections • Short circuits, safety precautions • Electrical engineering terms Electromechanical converters • Transformer, generator, electric motor • Connecting a three-phase motor using a capacitor Protection and automation devices • Circuit breaker, RCD, RCBO • Voltage monitoring relay, contactor, fuses • Surge protection devices Cables and wires • Wire connection methods • Selecting cross-section by current and power • Color coding • Electrical panel Power stations and substations • Nuclear, thermal, solar, hydro, wind, and geothermal power stations Measuring instruments • Voltmeter, ammeter, ohmmeter, multimeter • Clamp meter • Electricity meter Grounding • Types of grounding systems • Equipotential bonding system Lighting • Incandescent, LED, and other types of lamps • Lamp holders, bases, lumens, lux • Color temperature • LED strip Work execution • Socket repair • Installation of flush-mounted and surface-mounted sockets • Switch installation Additional information • Power supply categories • Surge overvoltages • IP protection rating • Electrician’s tools • Types of outlets and plugs, voltages in different countries • Joule’s Law, Coulomb’s Law • Right-hand and left-hand rules — Contents of the "Diagrams" section: • Switch (1 and 2 gang) • Three-gang switch • Two-way switch • Two-way switch with intermediate switch • Outlets and switch in one block • Lighting with dimmer • Motion sensor lighting • Relay with light sensor • Lighting with impulse relay • Fluorescent lamp wiring • Socket wiring diagrams • Magnetic starter for motor • Star and delta motor connection — Contents of the "Calculators" section: • Basic formula calculator • Electricity cost calculator • SI unit system and metric prefixes • Diameter ↔ cross-section table • AWG to mm and mm to AWG conversion • Electronic component symbols

Latest Version

3.4.1

Size

51.2 MB

First Released

Mar 20, 2022

Master Every Circuit with the Pro’s Choice

Join 386k+ electricians using the ultimate offline reference. Get interactive diagrams and calculators with no ads and no subscriptions.

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FAQ

Frequently Asked Questions

Everything you need to know about Electrician Handbook — Basics

What is the Electrician Handbook — Basics app?

The Electrician Handbook — Basics app is an educational tool for electricians, students, and installers. It offers theory, interactive diagrams, and calculators in one place, working offline without ads or subscriptions.

Does the Electrician Handbook — Basics app work offline?

Yes, the Electrician Handbook — Basics app works completely offline. Users do not need an internet connection to access its content.

Does the Electrician Handbook — Basics app have ads or subscriptions?

No, the Electrician Handbook — Basics app does not contain ads or require any subscriptions for its features.

What theoretical topics does the Electrician Handbook — Basics app cover?

The Electrician Handbook — Basics app covers basic concepts, electromechanical converters, protection devices, cables, power stations, measuring instruments, grounding, and lighting diagrams. Some topics include exercises.

Does the Electrician Handbook — Basics app include interactive diagrams?

Yes, the Electrician Handbook — Basics app features interactive electrical diagrams. Users can interact with elements to understand their functionality better.

What types of calculators are available in the Electrician Handbook — Basics app?

The Electrician Handbook — Basics app provides a basic formula calculator, an electricity cost calculator, SI unit conversions, and AWG to mm and mm to AWG conversions.

Can users ask questions and get advice within the Electrician Handbook — Basics app?

Yes, the Electrician Handbook — Basics app includes a 'Community' section. Users can ask questions, share experiences, and receive advice from other members.

Does the Electrician Handbook — Basics app explain Ohm's Law?

Yes, the Electrician Handbook — Basics app explains Ohm's Law in detail. It includes formulas and an example calculation to clarify its application.

What is an electrical substation according to the Electrician Handbook — Basics app?

An electrical substation is a key node in the power system that transforms, distributes, and transmits electricity. It converts voltage, manages energy flows, and provides protection for reliable delivery.

How does the Electrician Handbook — Basics app explain circuit breakers?

The Electrician Handbook — Basics app defines a circuit breaker as an electromechanical device that automatically disconnects a circuit when dangerous current levels occur due to overload or short circuit, protecting from damage.

Does the Electrician Handbook — Basics app cover different grounding systems?

Yes, the Electrician Handbook — Basics app details various grounding systems, including an explanation of what an earthing (grounding) system is and examples like the TN-C system.

Can I find wiring diagrams for switches in the Electrician Handbook — Basics app?

Yes, the Electrician Handbook — Basics app provides various switch wiring diagrams, including single-gang, two-gang, three-gang, two-way, and two-way with intermediate switch diagrams.

Does the Electrician Handbook — Basics app provide information on electrical safety precautions?

Yes, the Electrician Handbook — Basics app covers electrical safety precautions as part of its 'Theory' section, alongside basic concepts and rules like short circuits.

What is an RCD and how does it work according to the Electrician Handbook — Basics app?

An RCD (Residual Current Device) is an electrical safety device. The Electrician Handbook — Basics app explains its operating principle with a diagram, detailing how it monitors current to detect faults.

Does the Electrician Handbook — Basics app explain different types of power stations?

Yes, the Electrician Handbook — Basics app covers various types of power stations, including nuclear, thermal, solar, hydro, wind, and geothermal power stations.