The National Electrical Code is a widely adopted standard for safe electrical installations, published by the National Fire Protection Association and revised on a regular cycle.
The National Electrical Code, commonly called the NEC, is a comprehensive standard for safe electrical work published by the National Fire Protection Association and updated on a regular revision cycle. It defines requirements for wiring, equipment, and the proper application of cable types, and it is widely adopted as the basis for electrical regulation across the United States.
The NEC itself is a model code with no legal force on its own; it gains authority when adopted by a city, county, or state. Local regulations may differ from the code and take precedence, so the applicable rules in any location depend on what the governing authority has adopted and amended. The code is revised periodically to reflect evolving safety practices.
For wire and cable, the NEC classifies cable types and specifies where each may be used, such as the distinctions among general purpose, riser, and plenum communication cable. These classifications guide the selection of the correct, compliant cable for a given location within a commercial or industrial building.
At Windy City Wire, the focus on low-voltage cable connects directly to the classifications the National Electrical Code defines. Supplying cable that carries the appropriate ratings helps commercial facilities apply compliant products suited to the requirements of each part of their systems.
NEC (National Electrical Code)
NFPA (National Fire Protection Association), which publishes and maintains the National Electrical Code