2025 California Electrical Code, Title 24, Part 3

Updated every three years to incorporate California amendments, NFPA 70, National Electrical Code with California Amendments, helps electrical contractors, engineers, electricians, safety officials, inspectors, and architects living and working in California protect people and property from electrical hazards.

Provisions in NFPA 70, National Electrical Code with California Amendments, cover the installation of electrical conductors, equipment, and raceways; signaling and communications conductors, equipment, and raceways; and optical fiber cables and raceways.

The 2025 California Electrical Code is a fully integrated code based on the 2023 National Electrical Code®.

Included is a free subscription service for all state updates and supplements. Effective Date: January 1, 2026.