Supervision Scope of a Third-Class Chief Electrical Engineer
A third-class chief electrical engineer may supervise the construction, maintenance, and operation of certain business-use electrical installations below 50,000 volts, subject to an exclusion for high-output generation and storage facilities.
Electrical installations covered by the qualification
A third-class chief electrical engineer may supervise the construction, maintenance, and operation of business-use electrical installations with a voltage below 50,000 volts. This scope does not include power generation facilities or electricity storage facilities with an output of 5,000 kilowatts or more.
Official sources
The following official Tokyo Denki University materials were used to prepare this page.
- 2025 Student Handbook — School of Engineering (2025 academic year) — PDF page 147