Use this guide as a checkpoint lesson. Read the question, recognize the Japanese technical word, and connect it to the correct electrical idea before answering.

定格（ていかく / rating）

ていかく

Rating

This lesson teaches you how to study the exam efficiently by focusing on the words that appear again and again.

The written exam often repeats the same technical words in different situations. Start with voltage, current, resistance, grounding, breakers, insulation, wiring diagrams, and common Japanese equipment names. Then practice reading the question carefully: identify the topic, underline the device or action, and convert the Japanese term into the English idea before choosing an answer. If a question includes terms like 分電盤, 接地, 漏電遮断器, 配線用遮断器, or 単相三線式, think about safety, distribution, and wiring method first. This approach helps you avoid translation mistakes and saves time on the exam.

- 定格（ていかく / rating）
- 許容電流（きょようでんりゅう / allowable current）
- 電圧降下（でんあつこうか / voltage drop）
- 分電盤（ぶんでんばん / distribution board）
- 単相三線式（たんそうさんせんしき / single-phase three-wire system）

Study method: read the keyword, identify the circuit or device, recall the safety rule, then solve.

If a question mentions 配線用遮断器 and 過電流, you should immediately think about circuit protection rather than measurement.

Memorize the Japanese reading, the English meaning, and the real-world use together. This is the fastest way to raise your score.

Do not memorize words in isolation. Many exam questions are designed to test whether you understand the device and its purpose.

On site, electricians use these terms constantly when talking about wiring routes, protection devices, and safe work method.

If you see 接地 and 漏電 in the same question, what topic are you probably in?

Safety and grounding protection

Those words usually point to shock protection, leakage current, and safe fault clearing.