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Real exam: 50 questions • 75% to pass • 145 min • open book (2020 NEC, NFPA 72)
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📋 How the real ES-3 exam works
50questions
75%to pass (38/50)
145 mintime limit
Open bookbring your code books
It's an open-book test. You bring and may tab & highlight: the 2020 NEC (NFPA 70), NFPA 72, and the New Mexico Electrical Code (2017). You don't memorize the whole code — the trick is finding the rule fast. Each topic below is tagged 📖 Code Lookup or 🧠 Memorize, and every exam tip tells you exactly what to tab.
Study Materials — 13 ES-3 Exam Topics
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