Where do the requirements of the piping systems in the code extend to?

• A. From the utility source to the meter
• B. From the point of delivery to the outlet of appliance shutoff valves
• C. From the tank to the appliance
• D. From the installation to the worksite

Answer: (B)

The requirements of the piping systems in the code extend from the point of delivery to the outlet of appliance shutoff valves. This scope ensures that all aspects of the gas supply system from the utility's point of delivery are covered until the gas reaches the safety mechanism, which is the appliance shutoff valve. This is crucial for maintaining safety and compliance throughout the installation and use of gas appliances. The outlet of the appliance shutoff valves serves as a critical juncture where gas is either allowed to flow to the appliance or turned off, ensuring user control and preventing leaks or hazards. This thorough approach encompasses the entire pathway of gas, ensuring appropriate materials, installation practices, and safety protocols are followed as mandated by the code, thereby enhancing the overall safety and reliability of gas systems in residential and commercial settings.