Electrician Handbook — Basics
Electrician Handbook — Basics Summary
Electrician Handbook — Basics is a with in-app purchases iOS app in Books And Reference by Sergey Vavaev. Released in Mar 2022 (3 years ago). It has 1.8K ratings with a 4.81★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 2.2K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Mar 10, 2026, version 50.
Recent activity: 4.00 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Mar 1, 2026.
Store info: Last updated on App Store on Mar 10, 2026 (version 50).
4.81★
Ratings: 1.8K
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App 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
• Fluore