What is the standard/code for the safe installation of gas appliances?

The National Fuel Gas Code, identified as NFPA 54, provides comprehensive guidance regarding the safe installation, operation, and maintenance of gas appliances. This code is instrumental in ensuring that gas systems are designed and operated with minimal risks to safety and health. It details specific requirements for materials, equipment, and installation practices that must be followed to mitigate hazards associated with gas usage, such as leaks, explosions, and carbon monoxide poisoning.

In comparison, while the International Fuel Gas Code (IFGC) also addresses gas appliance installations, it does not serve as the primary standard for fuel gas safety in all scenarios. ASHRAE 90.1 pertains to energy efficiency in buildings, making it relevant to HVAC design but not specifically tailored to gas standards. The Uniform Plumbing Code (UPC) focuses primarily on plumbing installations, which are only tangentially related to gas appliances and do not cover the specific safety requirements outlined in NFPA 54.

This code is widely recognized and adopted across many states and regions, emphasizing its essential role in establishing a baseline for safety standards when working with gas appliances.