サクッと第二種電気工事士1問1答【サクトレ】

This is a question-and-answer app specifically designed for preparing for the written exam (subject to change) of the Class 2 Electrician's License.

It includes 406 questions across 10 fields, covering a wide range of exam topics from basic theory calculations to wiring diagrams and regulations. Every question comes with a detailed explanation, ensuring thorough understanding even for incorrect answers.

■ Complete Coverage of 10 Fields

【Basic Electrical Theory】
Ohm's Law, Equivalent Resistance, Power, Energy, Heat, AC Theory (Impedance, Power Factor), Three-Phase Circuits, Wheatstone Bridge.

【Power Distribution Theory & Wiring Design】
Characteristics and Calculations of Single-Phase 2-Wire, Single-Phase 3-Wire, and Three-Phase 3-Wire Systems, Voltage Drop, Branch Circuit Design, Main Line Overcurrent Circuit Breaker Capacity.

【Electrical Equipment & Lighting】
Three-Phase Induction Motors, Transformers, Lighting Fixtures (LEDs, Fluorescent Lamps), Electromagnetic Switches, Power Factor Correction Capacitors.

【Wiring Devices】
Various Switches (Single-Pole, 3-Way, 4-Way), Outlets, Circuit Breakers, Ground Fault Circuit Interrupters.

[Electrical Wires, Cables, and Materials]
Electrical wires and cables such as VVF, IV, and CV; conduits (thin steel, PF, and CD pipes); connecting materials (ring sleeves and push-in connectors).

[Tools]
Names and uses of tools used in electrical work, such as crimping tools, cable strippers, pipe benders, and threading tools.

[Construction Methods]
Construction methods for cable work, metal conduit work, and synthetic resin conduit work; grounding work (Type A to Type D); and construction locations and conditions for each type of work.

[Inspection Methods and Measuring Instruments]
Insulation resistance measurement, grounding resistance measurement, completion inspection procedures, and how to use various measuring instruments.

[Wiring Diagrams, Symbols, and Identification]
Symbols for lighting fixtures, switches, outlets, and wiring; how to read wiring diagrams; and equipment identification problems.

[Wiring Diagrams and Laws]
How to draw wiring diagrams; ring sleeve size selection; the Electrical Construction Workers Act; the Electrical Appliances and Materials Safety Act (PSE mark); and the Electricity Business Act.

■ Efficient Learning Features

* Random Question Selection: Prioritizes previously unanswered and difficult questions.
* Answer History: Records the correct/incorrect answers for each question over the past three attempts.
* Question Count Setting: Freely set the number of questions per session from 5 to 50.
* Text Size Adjustment: Adjust to a comfortable reading size.
* Calculator Function: Solve calculation problems on the spot.

■ Recommended for:

* Those who want to pass the Type 2 Electrician's License written exam.
* Those who want to prepare for the first/second half of the year exam or the CBT exam.
* Those who want to obtain a qualification to work in electrical construction.
* Those who want to study during their commute or in their spare time.
* Those who want to repeatedly practice calculation problems and memorization.

■ Comfortable Learning Without Ads

No ads are displayed. You can concentrate on your studies.

■ Free to Start

The first section (Basic Electrical Theory - 45 questions) is available for free. Unlocking all questions requires an in-app purchase.


■ Sakutore Series

"Sakutore" is a series of learning apps that allow you to quickly study during your free time. We offer apps for a wide range of qualifications and exams, including FP (Financial Planner), bookkeeping, hazardous materials handling, IT certifications, Kanji proficiency tests, and English proficiency tests.