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Washington license examsElectrician, Plumber and HVAC
Washington tests electrician, plumber and HVAC license applicants. Each trade has its own exam and testing company.
Journeyman and master exams in Washington
Electrician
- Who gives it
- PSI1
- Code book
- Page says NEC "2020 edition"
- Open book
- Yes
- Exam fee
- $80.30
Plumber
- Who gives it
- PSI2
- Code book
- Uniform Plumbing Code; edition not stated
- Exam fee
- $202.10
How do you book the exam?
Apply to the WA L&I first. The board approves your application, then tells you how to schedule with the testing company. WA L&I
Sources
- Washington electrician license: exam (lni.wa.gov, 2026-10-27)
- Washington plumber license: exam (lni.wa.gov, 2026-10-27)