By using gas in homes and buildings safely and appropriately, you can contribute to ensuring everyone’s safety. Using gaseous fuels carries a number of concerns, including the possibility of carbon monoxide poisoning as well as fire and explosion. The most recent thorough guidelines for the safe design, installation, operation, maintenance, purging, and inspection of gas pipelines, equipment, accessories, and appliances that are supplied with fuel gas are provided by NFPA 54/ANSI Z223.1, the National Fuel Gas Code. The code includes: Components, materials, and design of piping systems Installing and sizing pipes in hidden areas, aboveground, and below Testing, purging, system leak detection, and piping inspection Process air and appliance installation requirements Specifications, general requirements, and minimum safe performance standards for combustion product venting.