# 電気工事士法 / Electricians Act — 第二条 (Article 2)

- Law: 電気工事士法 (Electricians Act), 昭和三十五年法律第百三十九号
- English title "Electricians Act": Ministry of Justice translation database, which lists the title
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第二条 (Article 2)（用語の定義） — address `art-2`
- Text in force since: 2025-06-01
- URL (the page that opens at this provision): https://japanlaw.org/en/electricians-act/art-2
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/335AC0000000139/art-2
- Every provision below carries its address and both URLs on the line under it.
- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
site's machine translation, whose model and date the Sources list names.
They are never merged and never substituted for one another.

---

### 第二条（用語の定義） — Definitions
<sup>caption: machine translation, not official</sup>
<sup>art-2 · https://japanlaw.org/en/electricians-act/art-2 · https://japanlaw.org/l/335AC0000000139/art-2</sup>

**第一項**  この法律において「一般用電気工作物等」とは、一般用電気工作物（電気事業法（昭和三十九年法律第百七十号）第三十八条第一項に規定する一般用電気工作物をいう。以下同じ。）及び小規模事業用電気工作物（同条第三項に規定する小規模事業用電気工作物をいう。以下同じ。）をいう。
<sup>art-2/par-1 · https://japanlaw.org/en/electricians-act/art-2/par-1 · https://japanlaw.org/l/335AC0000000139/art-2/par-1</sup>
In this Act, "electric facilities for general use, etc." means electric facilities for general use (meaning electric facilities for general use prescribed in Article 38, paragraph (1) of the Electricity Business Act (Act No. 170 of 1964); the same applies hereinafter) and small-scale electric facilities for business use (meaning small-scale electric facilities for business use prescribed in paragraph (3) of that Article; the same applies hereinafter).
<sup>machine translation, not official</sup>

**第二項**  この法律において「自家用電気工作物」とは、電気事業法第三十八条第四項に規定する自家用電気工作物（小規模事業用電気工作物及び発電所、変電所、最大電力五百キロワット以上の需要設備（電気を使用するために、その使用の場所と同一の構内（発電所又は変電所の構内を除く。）に設置する電気工作物（同法第二条第一項第十八号に規定する電気工作物をいう。）の総合体をいう。）その他の経済産業省令で定めるものを除く。）をいう。
<sup>art-2/par-2 · https://japanlaw.org/en/electricians-act/art-2/par-2 · https://japanlaw.org/l/335AC0000000139/art-2/par-2</sup>
In this Act, "electric facilities for private use" means electric facilities for private use prescribed in Article 38, paragraph (4) of the Electricity Business Act (excluding small-scale electric facilities for business use, power stations, substations, consumer installations with a maximum power of 500 kilowatts or more (meaning an aggregate of electric facilities (meaning electric facilities prescribed in Article 2, paragraph (1), item (xviii) of that Act) installed, in order to use electricity, within the same premises as the place of its use (excluding the premises of a power station or substation)), and others specified by Order of the Ministry of Economy, Trade and Industry).
<sup>machine translation, not official</sup>

**第三項**  この法律において「電気工事」とは、一般用電気工作物等又は自家用電気工作物を設置し、又は変更する工事をいう。ただし、政令で定める軽微な工事を除く。
<sup>art-2/par-3 · https://japanlaw.org/en/electricians-act/art-2/par-3 · https://japanlaw.org/l/335AC0000000139/art-2/par-3</sup>
In this Act, "electrical work" means work to install or modify electric facilities for general use, etc. or electric facilities for private use; provided, however, that minor work specified by Cabinet Order is excluded.
<sup>machine translation, not official</sup>

**第四項**  この法律において「電気工事士」とは、次条第一項に規定する第一種電気工事士及び同条第二項に規定する第二種電気工事士をいう。
<sup>art-2/par-4 · https://japanlaw.org/en/electricians-act/art-2/par-4 · https://japanlaw.org/l/335AC0000000139/art-2/par-4</sup>
In this Act, "electrician" means a Class 1 electrician prescribed in paragraph (1) of the following Article and a Class 2 electrician prescribed in paragraph (2) of that Article.
<sup>machine translation, not official</sup>

---

## Cites
- art-2/par-1: 電気事業法（昭和三十九年法律第百七十号）第三十八条第一項 → e-Gov law 339AC0000000170, 第三十八条第一項 (Article 38, paragraph (1)), art-38/par-1 — not held in this collection
- art-2/par-1: 同条第三項 → e-Gov law 339AC0000000170, 第三十八条第三項 (Article 38, paragraph (3)), art-38/par-3 — not held in this collection
- art-2/par-2: 電気事業法第三十八条第四項 → e-Gov law 339AC0000000170, 第三十八条第四項 (Article 38, paragraph (4)), art-38/par-4 — not held in this collection
- art-2/par-2: 同法第二条第一項第十八号 → e-Gov law 339AC0000000170, 第二条第一項第十八号 (Article 2, paragraph (1), item (xviii)), art-2/par-1/item-18 — not held in this collection
- art-2/par-4: 次条第一項 → 電気工事士法 第三条第一項 (Article 3, paragraph (1)), art-3/par-1 — https://japanlaw.org/en/electricians-act/art-3/par-1 · https://japanlaw.org/l/335AC0000000139/art-3/par-1
- art-2/par-4: 同条第二項 → 電気工事士法 第三条第二項 (Article 3, paragraph (2)), art-3/par-2 — https://japanlaw.org/en/electricians-act/art-3/par-2 · https://japanlaw.org/l/335AC0000000139/art-3/par-2

## Cited by

1 provision cites this one. No official source publishes this direction.

- 電気工事士法 附則第六条第一項 — https://japanlaw.org/en/electricians-act/suppl-3621-84/art-6/par-1 · https://japanlaw.org/l/335AC0000000139/suppl-3621-84/art-6/par-1

---

## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 電気工事士法 — the text in force from 2025-06-01 (https://laws.e-gov.go.jp/law/335AC0000000139/20250601_504AC0000000068), retrieved 2026-10-19
- Japanese Law Translation Database System, Ministry of Justice (法務省) — 電気工事士法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/1788), retrieved 2026-09-23
- claude-sonnet-5-5 — Machine translation, batch electricians-act-20261019T092227-001, translated 2026-10-19
- This site's parser, version 204 — 電気工事士法 — structure, counts, cross-references and defined terms, computed 2026-10-19
