Piping and Tubing NFPA 54 5.4.1 {Ans: A gas piping system must be properly sized and installed in order to provide a supply of gas sufficient to meet maximum demand without undue loss of pressure between the point of delivery and the appliance.}Type B Gas Vent {Ans: A vent for venting listed gas appliances with draft hoods and other Category 1 appliances listed for use with Type B gas vents.}Type 2 Clothes Dryer {Ans: Used in business with direct intercourse of the function of the public. May or may not be operated by public or hired attendant. May or may not be coin-operated.}Underground Container NFPA 58 6.6.6.1 H {Ans: Underground and mounded containers must be coated or protected to minimize corrosion.}Container Rules LPSR 9.126 {Ans: Unless specifically prohibited for use by another section of the LP Gas Safety Rules, all appurtenances and equipment placed into LP-gas service must be listed by a nationally recognized testing laboratory such as Underwriter Labs UL, Factory Mutual FM, or the American Gas Association AGA.}Uniform Safety Requirements NFPA 58 6.6.2.2 {Ans: Flexibility must be provided in the connecting piping of a cylinder installation. Where flexible connectors are used, they