易燃和可燃液体和气体设备部分包括储罐、拱顶和容器；分配装置和蒸汽回收系统；管道和软管组件、阀门、接头、配件、仪表和阻火器以及用于储存、分配、容纳、输送或调节气体、液体或废料的相关设备。管道和相关产品部分包括管道固定装置、固定装置配件、管道和器具。还包括饮用水成分和添加剂、浴缸和水疗中心的抽吸配件以及化粪池。加热、冷却、通风、烹饪设备、食品安全设备部分包括加热设备和器具； 空调设备和系统；制冷设备、通风设备；烹饪设备和卫生食品服务设备；以及壁炉和烟囱。该设备使用电力、天然气、石油基液体、固体燃料或太阳能。

The Flammable and Combustible Liquids and Gases Equipment section includes storage tanks, vaults and containers; dispensing devices and vapor recovery systems; piping and hose assemblies, valves, connectors, fittings, gauges and flame arresters and related equipment used for storing, dispensing, containing, conveying or regulating gases, liquids, or waste materials.The Plumbing and Associated Products section includes plumbing fixtures, fixture fittings, pipe, and appliances. Also includes drinking water components and additives, suction fittings for tubs and spas, and septic tanks.The Heating, Cooling, Ventilating, Cooking Equipment, Food Safety Equipment section includes heating equipment and appliances; air conditioning equipment and systems; refrigeration equipment, ventilation equipment; cooking equipment and sanitation food service equipment; and fireplaces and chimneys. The equipment uses electricity, gas, petroleum based liquid, solid-fuels or solar energy.