Free Practice Test
Iowa Residential Electrician
Try 10 questions weighted like the real PSI outline — dwelling wiring and protection, wiring methods and materials and equipment for general use — on the 2023 NEC, the edition Iowa has tested since January 1, 2024. You get a score for each area and a worked explanation for every calculation.
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The Iowa Residential Electrician exam is 50 questions in 2 hours, open book, and you need 70% to pass. The 2023 NEC or its Handbook is the only book allowed in the room.
Related reading

Iowa Residential Electrician Exam Day: PSI, the 2023 NEC, and Pacing 2 Hours
What to expect on the Iowa residential electrician exam with PSI: the 2023 NEC or Handbook as your one book, no Ugly's, calculator and scratch-paper rules, 50 items in 120 minutes, the 70% pass mark, retakes and the sponsorship letter's limits.

What's on the Iowa Residential Electrician Exam? 8 Areas, 50 Items, 2023 NEC
The PSI outline for the Iowa residential electrician exam: eight areas published as percentages that do not divide evenly into 50 items, our rounded counts, the 2023 NEC as printed versus Iowa's HF 2800 dwelling changes, and a study plan.

Iowa Residential Electrician License: Requirements, Hours, and the PSI Exam
The four routes to an Iowa Residential Electrician license, including testing at 5,000 apprentice hours, the Board's sponsorship step, the $87 PSI exam on the 2023 NEC, the $75 three-year license, 18 hours of CE, and no reciprocity.