About this app

Master the NEC and Pass Your Electrician Exam Whether you are testing for your Journeyman or Master Electrician license, the National Electrical Code (NEC) is the hardest part of the exam. Code Master is the ultimate, no-nonsense study tool built specifically for trade professionals to help you pass the test on the first try. Designed for apprentices, journeymen, and master electricians, this app transforms the complex NFPA 70 codebook into an interactive, highly effective study system that goes wherever your tools go. Core Features: Comprehensive Practice Mode: Work through over 300 challenging scenario-based questions covering Grounding & Bonding, Wiring Methods, Ampacity Calculations, Box Fill, and more. Realistic Mock Exams: Test your readiness with a 60-minute, 50-question simulated exam. The app randomly pulls from the question bank to ensure you never take the exact same test twice. In-Depth Explanations: Stop guessing. At the end of every exam, use the 'Review' screen to see exactly which questions you missed, complete with detailed explanations and NEC article references. Advanced Stat Tracking: Watch your confidence grow. Track your total exams taken, your highest score, and see a breakdown of your accuracy by specific code categories so you know exactly where to focus your study time. Built for the Trades: Built-in NEC Reference: Quick access to essential code rules. Dark & Light Modes: A rugged, high-contrast dark theme that is easy on the eyes after a long day on the job site. 100% Offline & Private: No account creation required, no mandatory subscriptions, and all your progress is saved securely on your device. You can study in a basement electrical room with zero cell service. Download Code Master today, crush your exam, and take the next step in your electrical career!

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