Journeyman Electrician Prep

An independent study tool for the journeyman electrician license exam, built on NEC 2023 — 1,353 original practice questions, each explained and cited to the code.

WHY THIS ONE
The journeyman exam is open-book on the NEC and heavy on math. This app puts 374 calculation questions in front of you with the arithmetic worked out, and cites the article and section behind every answer so you learn to find it in the book — which is what open-book really tests.

WHAT YOU GET
- 1,353 practice questions across all 6 domains, weighted toward the exam blueprint.
- An explanation on every question, plus a rationale for each answer choice.
- An NEC citation on every question (e.g. "NEC 2023 310.16; 310.15(B)(1)") so you can look it up in your code book.
- 374 calculation questions with worked solutions — conduit and box fill, ampacity and derating, voltage drop, dwelling loads, motor and transformer sizing — drillable as one domain.
- Full-length timed mock exam: 80 items, 240 minutes, 70% to pass.
- 174 flashcards and 22 study notes for quick review.
- A readiness report that ranks your domains by risk and says what to study next, plus a daily goal, a streak, and an exam-date roadmap.
- Study offline: questions, flashcards and notes need no internet. No account, no sign-up. (Purchase and restore need a connection.)

ALL 6 EXAM DOMAINS
Wiring Methods & Materials · Calculations · Services, Feeders, Branch Circuits & Overcurrent Protection · Equipment, Motors, Controls & Special Occupancies · Grounding & Bonding · General Electrical Theory.

TOPICS COVERED (NEC 2023)
Conductor ampacity, temperature correction and conduit-fill adjustment (310.16, 110.14(C)). Raceway and box fill (Chapter 9 Table 1, Annex C, 314.16). Branch-circuit, feeder and service load calculations and demand factors (Article 220). Dwelling-unit standard and optional methods. Voltage drop, single- and three-phase, K/CM method. Motor full-load current, branch-circuit, overload and feeder sizing; transformer sizing and OCPD (430, 450). Grounding electrodes, bonding and equipment grounding conductors. Boxes, raceways, cable assemblies and support. Special occupancies and hazardous locations.

GREAT FOR
Apprentices sitting for the journeyman electrician license exam, electricians testing in a new jurisdiction, and licensed electricians on NEC 2023.

NEC 2023
Written to the NEC 2023 edition. Your jurisdiction may still enforce 2020 or 2017 — check your adopted code.

ONE-TIME PURCHASE
Unlock all 1,353 questions, every domain, the timed mock, and the roadmap with one Premium purchase.
- Pay once. No subscription, no auto-renewal, no ads.
- Restore on any device signed in to the same store account.
- Try it first: the first 10 items in every domain are free.

DISCLAIMER — OFFICIAL SOURCES & GOVERNMENT DISCLOSURE
This app is an independent study aid for educational use only. It is not a government app and does not represent any government agency. It is NOT affiliated with, endorsed by, or sponsored by the NFPA, PSI, Prov, ICC, any state or local electrical licensing board, or any other government agency. It does not issue, renew, verify, or facilitate any license or certification. "NEC" and "National Electrical Code" are trademarks of the NFPA (NFPA 70), used nominatively to identify the exam this app helps you study for. All questions, explanations, and flashcards are original, concept-based study items — NOT actual, past, or recalled licensing-exam questions — and do not reproduce verbatim NEC text or tables. Content is "as is" with no guarantee of accuracy or of passing, and is not electrical, engineering, or safety advice: do not rely on it for installation work.
For official licensing requirements, eligibility, fees, and testing procedures, verify with your state or local electrical licensing board: https://www.nascla.org

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