The Wire

The 2026 NEC reorganizes Class 2 and Class 3 circuit requirements across Articles 721 (power sources), 722 (cables), and 723 (raceways). This guide explains what moved, why, and how to navigate the new structure.

Article 720 is the foundation of NEC 2026's restructured Chapter 7—the "Article 300 equivalent" for limited-energy systems. This complete guide covers what it includes, how it affects contractors across trades, and what inspectors will look for.

How NEC 2026 changes affect fire alarm, security/CCTV, and access control contractors. Trade-specific impacts, what changed, what stayed the same, and action items.

Class 4 fault-managed power systems explained for low voltage contractors. Learn about Article 726, how FMPS works, PoE evolution, and business opportunities in this emerging technology.

Track NEC 2026 adoption by state. See which states have adopted the new code, expected timelines, and what the changes mean for low voltage and limited-energy contractors.

Low voltage and limited energy are related but different concepts. Learn what each term means, why the NEC prefers "limited energy," and what the terminology shift means for contractors.

Will NEC 2026 require electricians for data cabling? Analysis of the Chapter 8 independence removal, IBEW interests, state licensing implications, and what contractors can do.

The NEC 2026 introduces "limited energy" as the umbrella term for low voltage systems. Learn what this terminology shift means for contractors, what changed in Chapter 7 and 8, and how to prepare.

Complete guide to NEC 2026 Chapter 7 and 8 changes for low voltage contractors. New articles 720-750, Chapter 8 independence removed, Class 4 power, and what it means for fire alarm, security, and data cabling.