Interview Tips for a Substation Technician
Substation Technician interviews focus on high-voltage safety, equipment reliability, and troubleshooting.
- System Knowledge: Highlight transformers, breakers, and switchgear.
- Diagnostic Skills: Mention using testing equipment for insulation and current.
- Preventive Maintenance: Stress inspection and servicing of substation equipment.
- Safety Awareness: Emphasize grounding, PPE, and OSHA/NESC compliance.
- Problem-Solving: Share examples of resolving outages.
- Documentation: Highlight detailed service reports.
- Teamwork: Show working with line crews and engineers.
- Adaptability: Stress ability to work during storms and emergencies.
Prepare for Scenario-Based Questions:
Employers may test how you diagnose and resolve issues under pressure.
Q1. A breaker fails during a storm. What’s your response?
Sample Answer: Secure the area, test the breaker, and restore power using safe switching procedures.
Q2. How do you approach preventive inspections at a substation?
Sample Answer: Follow detailed checklists, use testing tools, and document findings.
Q3. A transformer shows overheating. What do you do?
Sample Answer: Reduce load if possible, inspect cooling system, and escalate for repair.
Q4. How do you ensure compliance in high-voltage work?
Sample Answer: I follow strict procedures, confirm grounding, and complete all documentation.
Source: ChatGPT