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2. Master Electrician LicenseExam App Comments & Reviews (2026)

Pass the Master Electrician License Exam with confidence.

Master Electrician NEC Prep is a complete, offline-first study companion built around the 2023 National Electrical Code. Whether you're taking PSI, Prov, Pearson VUE, or a state-administered exam, this app mirrors the real thing: 4-option multiple choice, calculation-heavy items, diagram-based scenarios, and a timed open-book feel.

WHAT'S INSIDE

- 479 questions across 16 NEC topic areas
- Every explanation cites the exact NEC article or table
- Progressive difficulty — easy, medium, hard within each topic
- 27 SwiftUI-rendered NEC diagrams: service entrance, grounding electrode system, conduit fill, box fill, motor branch circuits, transformer connections, 120% PV rule, healthcare branches, EV charging, hazardous classifications, and more
- Three exam modes — 80-question Master (4 hr, 75%), 100-question Master (5 hr, 70%), and a 30-question short drill

16 TOPIC AREAS

General Rules & Definitions (Art. 90, 100, 110) · Branch Circuits & Feeders · Services & Service Equipment · Load Calculations (Standard + Optional) · Overcurrent Protection · Grounding & Bonding · Conductors & Ampacity · Wiring Methods · Boxes & Conduit Fill · Receptacles & Luminaires · GFCI, AFCI & SPD · Motors & Transformers · Hazardous Locations & Healthcare · Special Equipment · Emergency, Standby & PV · Low-Voltage, Communications & Fire Alarm.

NEC 2023 READY

Every question is aligned to the 2023 cycle, including:
- 230.85 emergency disconnect for dwellings
- 210.8 GFCI expansions (outdoor HVAC, dishwashers)
- 210.12 AFCI dwelling-unit expansion
- 240.87 arc-energy reduction (>1200 A breakers)
- 406.12 tamper-resistant receptacle expansion (childcare, waiting rooms, preschools)
- Article 625 EV charging overhaul — bidirectional V2X, Energy Management Systems
- 705.13 Power Control Systems for PV + storage
- Article 517 patient-care space categories (Cat 1–4)

FULL EXAM SIMULATION

- Countdown timer with color-coded warnings
- Flag questions for review
- Jump navigator — see answered, flagged, and remaining at a glance
- Submit any time, or let the timer auto-submit
- Results screen with pass/fail threshold, topic breakdown, and next-step guidance

REFERENCE TAB

A searchable quick-reference covering the articles and tables you'll flip to most often: Table 310.16 ampacity, Table 250.66 GEC sizing, Table 250.122 EGC sizing, motor tables 430.52 / 430.248 / 430.250, tap rules, conduit fill, box fill, voltage drop formulas, and 3-phase relationships.

EXAM GUIDE TAB

Clear, no-fluff walkthrough of the exam format, topic weightings, calculation essentials, NEC 2023 changes, an 8–12 week study plan, eligibility and application tips, renewal/CE requirements, and recommended books and courses.

PERFORMANCE ANALYTICS

Every practice session and full exam is stored on-device. Track your accuracy by topic, spot weak articles, and watch your scores climb over time. One tap to reset.

BUILT FOR iPHONE AND iPAD

Adaptive layouts that fill an iPad in landscape without cramming an iPhone in portrait. Dark electrician-themed UI — deep charcoal with hazard yellow and copper accents — easy on the eyes during long study sessions.

DISCLAIMERS

Passing requirements and NEC editions vary by state and local jurisdiction. Always verify your AHJ's current adopted edition and cut score before sitting for the exam. This app is an independent study tool and is not affiliated with NFPA, PSI, Prov, or any state licensing board.

Master Electrician LicenseExam App Comments & Reviews