Electrician interview questions (2026)

Electrician interviews test technical knowledge, safety, problem-solving, and reliability. Then practice them in a free AI mock interview tailored to your exact role.

Technical knowledge

• Walk me through diagnosing a circuit that keeps tripping.
• How do you size a cable or breaker for a given load?
• Explain how you'd wire a new circuit safely.

Safety & compliance

• Walk me through your safety checks before working on a live system.
• How do you ensure work meets code and passes inspection?
• Describe a time you stopped work because something was unsafe.

Problem-solving & reliability

• A fault is intermittent and hard to find — how do you track it down?
• How do you handle a job that's more complex than quoted?
• How do you prioritise when several call-outs come at once?