2024 NFPA 79 Electrical Standard for Industrial Machinery

NFPA 79, Electrical Standard for Industrial Machinery 2024 edition establishes mandatory electrical safety requirements for industrial machinery — from single-motor drill presses to complex automated manufacturing systems. The standard covers the full scope of machine electrical design and installation: supply circuits, disconnecting means, overcurrent protection, control circuits, grounding and bonding, operator interface devices, and programmable electronic systems. It serves as the companion standard to both NFPA 70 (NEC) and NFPA 70E, and the 2024 edition adds new cybersecurity considerations, terminology updates, and targeted clarifications across control circuits, proximity switches, and lighting circuit protection. Who Uses NFPA 79 Required by electrical engineers, machine designers, OEM manufacturers, system integrators, industrial electricians, and inspectors responsible for the design, installation, and compliance of electrical systems on industrial machinery. Always verify w