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Journeyman Professor Blog — NEC Code, Exam Prep, and Electrical Math

The Journeyman Professor blog publishes daily articles on NEC code compliance, journeyman electrician exam preparation, electrical math, and field safety. Articles are organized into topic clusters for efficient study.

Blog Topic Clusters

Math Mastery: Voltage drop, load calculations, conduit fill, wire sizing, and transformer math with worked examples.
NEC Code: Article-by-article breakdowns, 2026 NEC changes, grounding and bonding, EVSE, and solar PV rules.
Electrician Specialties: EVSE installation, solar PV, generators, hazardous locations, and special equipment.
Exam Question & Explanation: Real exam-style questions with full explanations and NEC citations.
Job Site Mentor: Arc flash safety, inspection prep, job site mistakes, and field best practices.
State Rundown: State-specific licensing requirements, exam formats, and NEC adoption timelines.

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