Pit Electrical Worker (Wiring)
こうないでんきがかり（はいせん）
Industry & Occupation
Classification
Summary
Specialist who performs the laying, connection, and maintenance of power cables in underground areas such as mines and tunnels.
Description
Pit Electrical Worker (Wiring) is an electrical construction worker who constructs and maintains power systems inside mine shafts and tunnels. They design and lay cable routes adapted to the terrain and environment of the shafts, perform wiring connection work, install distribution boards and lighting fixtures, and conduct insulation tests and continuity tests. Much of the work is in confined spaces, high temperatures and humidity, dust, and other harsh environments, requiring knowledge of safety measures and explosion-proof specifications. They also handle maintenance such as periodic inspections, troubleshooting, and repair work, stabilizing the mine's power supply.
Future Outlook
Due to ongoing demand for resource development in the mining industry and tunnel construction, job openings for pit electrical work remain stable. With advances in explosion-proof and automation technologies, there is an increasing demand for advanced electrical control and maintenance skills.
Personality Traits
Cautious / Good Team Player / Has Toughness / High Safety Awareness / Strong Sense of Responsibility
Work Style
Outdoor Underground Work / Project-Based / Shift Work / Team Work
Career Path
Apprentice/Assistant → Pit Electrical Worker → Leader Electrical Worker → Safety Management Engineer → Site Supervisor
Required Skills
Cable Crimping Work / Handling Explosion-Proof Equipment / Insulation and Continuity Testing / Reading Electrical Circuit Diagrams / Safety Management
Recommended Skills
Hazardous Materials Handling Qualification / High-Voltage Cable Works / Mining Technology / Safety in Underground Work
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Adaptability | Because it is necessary to quickly respond to environmental changes and emergencies inside the shafts. |
| Attention to Detail & Accuracy | Because miswiring or connection failures can lead to serious accidents. |
| Physical Stamina & Endurance | High physical strength is required for handling heavy objects and working in tight spaces. |
| Stress Tolerance | Due to high stress from work in confined spaces and high-pressure environments. |
| Collaboration & Teamwork | Because teamwork directly contributes to safe operations. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Mainly routine tasks, with little need for novel ideas. |
| Numerical & Quantitative Analysis | Few complex calculations, mainly basic measurements. |
Related Qualifications
- First-Class Electrician
- Second-Class Electrician
- Special Training for High-Voltage Cable Works
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