The Wire

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.

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.

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.

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.

Complete guide to access control permit requirements in Plano, Texas. Alarm permits required. DPS Class B licensing. 2024 codes effective August 1. False alarm fees.

Complete guide to fire alarm permit requirements in Plano, Texas. SFMO licensing required. 2024 IFC adopted August 1. Fire Marshal plan review process.

Complete guide to structured cabling permit requirements in Plano, Texas. Low-voltage permits for commercial. No state license required. 2024 codes August 1.

Complete guide to access control permit requirements in McKinney, Texas. Alarm permits, DPS Class B licensing, 2024 code requirements, and false alarm ordinance.

Complete guide to fire alarm permit requirements in McKinney, Texas. SFMO licensing with APS signature required. 2024 IFC adopted. Plan review and inspection process.

Complete guide to structured cabling permit requirements in McKinney, Texas. Low-voltage permits for commercial. No state license required. 2024 codes adopted.

Complete guide to fire alarm permit requirements in Lubbock, Texas. SFMO licensing, Fire Prevention Bureau plan review, NFPA 72 compliance, and inspection process.

Complete guide to structured cabling permit requirements in Lubbock, Texas. Learn when permits are required, code compliance, firestopping, and inspection process.

Complete guide to access control permit requirements in Lubbock, Texas. Learn about CSS Portal applications, DPS licensing, inspection requirements, and fees.