Free Practice Test
Idaho Master Electrician
Try 10 questions weighted like the real PSI exam — wiring and protection, wiring methods and materials, equipment for general use and communication systems — on rules that read the same in the 2020 and 2023 NEC, the two editions Idaho allows. You get a score for each area and a worked explanation for every calculation.
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Topic Breakdown
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Codebook Explanations
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The Idaho Master Electrician exam is 100 questions in 4½ hours, open book, and you need 75% to pass — more than the journeyman exam’s 70%. You may bring either the 2020 or the 2023 NEC.
Related reading
Idaho Master Electrician Exam Day: PSI, Your NEC and Ugly's, and Scoring 75
What to expect on Idaho's master electrician exam with PSI: the 2020 or 2023 NEC plus Ugly's 2023, the optional index books, the calculator you may bring, 100 questions in 270 minutes, the 75 pass mark and unlimited retakes at $75.
What's on the Idaho Master Electrician Exam? All 8 Areas and How to Study Them
The PSI outline for Idaho's master electrician exam: 100 items across eight areas, 65 of them in NEC Chapters 2 to 4, a Communication Systems area the journeyman exam lacks, the 2020-or-2023 NEC question and a study plan for the 75% pass mark.
Idaho Master Electrician License: Requirements, Experience, and the PSI Exam
What the Idaho Electrical Board requires for a master electrician license: four years as a licensed journeyman, the $75 Idaho-specific PSI exam with a 75% pass mark, fees, three-year renewal, no current CE and how reciprocity works.