IEEE C2-2023 – National Electrical Safety Code (NESC), 2023 Edition

IEEE C2-2023 – National Electrical Safety Code (NESC) provides the latest safety requirements for the installation, operation, and maintenance of electric supply and communication systems. Developed through ANSI-accredited consensus, the 2023 edition incorporates updates for new technologies, environmental resilience, and evolving industry practices.

Highlights:

• New rules for photovoltaic (PV) generation and advanced energy storage systems
• Expanded arc hazard clothing tables for medium-voltage systems up to 36 kV
• Updated grounding rules for mountainous terrain, coastal zones, and submerged systems
• Revised clearance criteria for conductors, antennas, and structural obstructions
• Clarified definitions and loading guidelines for extreme wind, ice, and weather events
• Standardized inch–foot–pound units for U.S.-centric engineering and safety compliance

Covered Parts:

• Part 1: Electric Supply Stations
• Part 2: Overhead Lines
• Part 3: Underground Lines
• Part 4: Work Rules for Supply and Communication Employees

Who It’s For:
Engineers, utility operators, telecom providers, safety professionals, and contractors responsible for the safe design, construction, and operation of electrical and communications infrastructure.

IEEE C2-2023