The document in question is a comprehensive set of standards for electrical installations. It outlines the requirements for safe electrical design, installation, and inspection to protect people and property from electrical hazards. As an example, it specifies the acceptable wiring methods for various applications, circuit breaker sizing, and grounding requirements.
Adherence to these standards is crucial for ensuring the safety of electrical systems. It helps prevent fires, electrocution, and other electrical hazards. Historically, the development and consistent application of such codes have significantly reduced electrical-related accidents and improved the reliability of electrical infrastructure. Its regular updates reflect advances in technology and address emerging safety concerns.