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State files updated Oct 29, 2026
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Home / Licensing / Idaho / Exam

Idaho license examsElectrician, Plumber and HVAC

Idaho tests electrician, plumber and HVAC license applicants. Each trade has its own exam and testing company.

Journeyman and master exams in Idaho

Electrician

Who gives it
PSI1
Code book
2023 National Electrical Code, with Idaho amendments
Hours and license steps

Plumber

Who gives it
PSI2
Hours and license steps

HVAC

Who gives it
PSI3
Hours and license steps

How do you book the exam?

Apply to the Idaho DOPL first. The board approves your application, then tells you how to schedule with the testing company. Idaho DOPL

Sources

  1. Idaho electrician license: exam (dopl.idaho.gov, 2026-10-27)
  2. Idaho plumber license: exam (dopl.idaho.gov, 2026-10-27)
  3. Idaho HVAC license: exam (dopl.idaho.gov, 2026-10-27)