Overview
The 2026 Edition provides the most pertinent, up-to-date information used by electricians, including updated NEC code and table change information; mathematical formulas; NEMA wiring configurations; conduit bending guide; ampacity and conduit fill information; transformer and control circuit wiring diagrams; and conversion tables.
The 2026 Edition:
Changes to the 2026 National Electrical Code (NEC) and NFPA 70® Revised tables and explanations of code changes: Systems over 1,000 volts AC, 1,500 volts DC Limited-energy systems Branch circuits and feeders Grounding and bonding Dwelling unit receptacle outlets GFCI protection for personnel And more! Summaries of new articles Locations of restructured articles Designed for electricians, engineers, maintenance workers, inspectors, instructors, and apprentices, this industry-leading pocket-sized resource provides fast access to the most pertinent information needed to keep jobs safe and compliant with the latest National Electric Code (NEC).