1
Electrical Theory and Circuits
Ohm's law and series-parallel circuit analysis | AC fundamentals including frequency, RMS values, and phase relations | Three-phase power and power factor calculation
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Type 1 Electrician 第一種電気工事士 (Written + Practical) Free Practice Test
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A 12 V source is connected across a 4 Ω resistor and an 8 Ω resistor in series. What is the current?
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Type 1 Electrician 第一種電気工事士 (Written + Practical)
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Exam Syllabus
Core Type 1 Electrician 第一種電気工事士 (Written + Practical) topics
2
Equipment Wiring and Diagrams
Reading single-line and connection wiring diagrams | Sequence control circuit interpretation | Motor starting and control equipment wiring
3
Installation Inspection and Measurement
Insulation resistance testing of low-voltage circuits | Earth resistance and grounding measurement | Use of clamp meters, megohmmeters, and multimeters
4
Regulations Safety and Practical Judgment
Safe de-energizing and lockout-style work practices before servicing | Personal protective equipment and insulated tool use | Hazard recognition in residential and commercial electrical work
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Type 1 Electrician 第一種電気工事士 (Written + Practical)
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Core knowledge88%
Applied practice76%
Ethics & safety64%
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Type 1 Electrician 第一種電気工事士 (Written + Practical) video course
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Learner reviews
What learners say about the Type 1 Electrician 第一種電気工事士 (Written + Practical) practice tools
Feedback from learners using Denken Exam to make Type 1 Electrician 第一種電気工事士 (Written + Practical) preparation more focused and manageable.
4.9/5
from 400+ reviews
Priya R.
Denken Exam learner
“While preparing for WRITTEN-PRACTICAL, I keep a small list of mistakes from Electrical Theory and Circuits. Reviewing why each answer went wrong keeps my study sessions more focused than simply rereading notes.”
Tom H.
Denken Exam learner
“Great WRITTEN-PRACTICAL prep. Denken Exam was clear and easy to use!”
Chris D.
Denken Exam learner
“For WRITTEN-PRACTICAL, Equipment Wiring and Diagrams was the area I kept postponing. Breaking it into a few practice questions at a time makes the material much easier to revisit after work.”
Marcus T.
Denken Exam learner
“My WRITTEN-PRACTICAL routine is simple: one timed set, a short break, then a careful review of Installation Inspection and Measurement. The explanations show whether I understood the idea or just guessed well.”
Grace L.
Denken Exam learner
“The WRITTEN-PRACTICAL practice questions kept my review focused.”
Sofia L.
Denken Exam learner
“I use lunch breaks to review Regulations Safety and Practical Judgment for WRITTEN-PRACTICAL. Short sessions work better for me because I can focus on one weak area without trying to cover the whole syllabus at once.”
Dana W.
Denken Exam learner
“The hardest part of WRITTEN-PRACTICAL prep for me is keeping similar ideas in Electrical Theory and Circuits separate. I now write one-line comparisons after each practice set, which makes the next review much clearer.”
Victor S.
Denken Exam learner
“Denken Exam made WRITTEN-PRACTICAL prep simple and easy to follow.”
Amara K.
Denken Exam learner
“I am still working through WRITTEN-PRACTICAL, especially Equipment Wiring and Diagrams. Going back through missed questions slowly has shown me which details I rush past when I practice under time pressure.”
Leo F.
Denken Exam learner
“WRITTEN-PRACTICAL review felt much more manageable with these tools.”
Recorded customer testimonials
“The practice questions are incredibly helpful. They're closely resembling the real exam scenarios, which is perfect. With detailed explanations provided, studying has never been this efficient.”
“the practice questions are helpful similar to the topics covered in the real exams i love the detailed explanation provided right after each question”
“The practice questions are superbly crafted, making exam preparation a breeze. The explanations provided after this question are like gold dust.”
“Thanks to the well-organized practice questions, I was able to tackle my exam preparations with ease. The questions are thoughtfully designed to closely resemble those in the actual exam.”
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“The well-structured practice questions help me prepare for the exam conveniently.”
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FAQ
Common questions about Type 1 Electrician 第一種電気工事士 (Written + Practical)
Does the 20-question MCQ set simulate the practical examination?
No. It checks supporting knowledge such as circuit relationships, control logic, instrument reasoning, and safety judgment. The practical examination requires supervised hands-on performance, tool control, layout, completion, and inspection under time limits; multiple-choice questions cannot replace that.
Is the written examination paper-based or CBT?
Official exam information has described both mark-sheet and CBT four-option formats, with variation by period and session. Treat the exact current mode, session availability, and application route as subject to confirmation in the latest official application guide.
Which calculations are most useful to practise first?
Series and parallel reduction, AC RMS versus peak, balanced three-phase apparent and real power, and power factor. Practise writing the relationship, substituting values, carrying units, and checking the result against a simple physical expectation.
Can I infer a pass mark, fee, or required study time from this guide?
No. This guide deliberately does not assert an official pass mark, weighting, current fee, schedule, or required study time. Those details can change and should be taken from current official information, not from an old leaflet or a study preview.
What should I do if an instrument reading contradicts my expectation?
Stop and treat the reading as a warning. Isolate where the task requires it, verify the instrument and leads, check the selected function and range, inspect the connection points, repeat the measurement, and report an unresolved discrepancy. Do not force the reading to match the expected answer.
What am I paying for, and why choose Premium over free resources?
When you’re preparing for an exam, the cost goes beyond study materials. It’s the evenings spent searching for answers, the uncertainty about whether you’re covering the right topics, and the possibility of paying for another exam attempt. Premium gives you a focused way to prepare. Practice questions and explanations help you check your understanding. Wrong-answer review and progress tracking show where to focus next. Flashcards, spaced repetition and timed mocks help you revisit difficult material and practise answering under pressure. The goal is to make your limited study time count—and build confidence from what you can actually answer, rather than how many hours you’ve spent reading. Better preparation can help reduce the risk of a costly retake and the extra time away from work, family or other goals. Think of Premium as an investment in your preparation and professional development: one organised system to help you use your time more effectively and approach exam day with greater confidence. Choose the certification and access period you need, with a one-time payment and no recurring subscription.
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