資格のキーホルダー · General questions and high-voltage wiring diagrams
Class-1 Electrician (written exam)
Calculations, materials and regulations, with every choice explained.
The Keyholder app includes 346 original questions (76 with figures) and 50-question, 140-minute mock exams. Wiring diagrams are single-line diagrams of high-voltage receiving equipment drawn with JIS symbols. Photo-identification questions and the practical exam are not included.
Before you start
- iOS app
- 資格のキーホルダー 宅建・簿記・FP・ITパスポート
- What it does
- One app with practice questions for 49 Japanese exams across 34 qualifications, each with its own study record and exam date.
- Content and features
- 49 exams, 34 qualifications / Explanations for every choice / Automatic review of missed questions / Daily target from your exam date
- Requirements
- iOS 16.0 or later
- Free access and purchases
- The first 10 questions of every qualification are free. Full questions and mock exams are a one-time in-app purchase per qualification, not a subscription.
- Before choosing
- Japanese-language exam practice. Not an official app of any exam body and no pass guarantee. Most questions download when you open a qualification; the first 10 work offline.
iOS facts checked: · Current App Store listing and purchase terms ↗
3-QUESTION CHECK
Try three questions.
Can you recall the reason?
After each answer, read the explanation for every choice in Japanese. No typing or sign-up is required.
QUESTION 1 / 3
高圧ケーブルの導体（断面積の大きいもの）に圧縮端子を取り付ける作業に用いる工具として、適切なものは。
本ページの3問は Particles and Waves の独自問題です。電気技術者試験センターが公表した過去問題の転載ではなく、同センターの公式ページでもありません。
CONTINUE IN THE APP
Continue in the Keyholder app.
Move from focused repetition to exam-format mock tests while keeping your study history.
This page and app are independent study aids, not official exam-authority products. Check current official information before taking an exam.