NFPA 505-2002 Fire Safety Standard for Powered Industrial Trucks Including Type Designations, Areas of Use, Conversions, Maintenance, and Operation.
3.2.4* Listed. Equipment, materials, or services included in a list published by an organization that is acceptable to the au- thority having jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production oflisted equipment or materials or periodic evalu- ation ofservices, and whose listing states that either the equip- ment, material, or service meets appropriate designated stan- dards or has been tested and found suitable for a specified purpose. 3.2.5 Shall. Indicates a mandatory requirement. 3.2.6 Should. Indicates a recommendation or that which is advised but not required. 3.2.7 Standard. Adocument, the main textofwhich contains only mandatory provisions using the word “shall” to indicate requirements and which is in a form generally suitable for mandatoryreference byanother standard or code or for adop- tion into law. Nonmandatory provisions shall be located in an appendix or annex, footnote, or fine-print note and are not to be considered a part ofthe requirements ofa standard. 3.3 General Definitions. 3.3.1 Dual-Fuel Truck. A truck that is equipped to be oper- ated using either gasoline or LP-Gas or to be operated using either gasoline or compressed natural gas without further modification. 3.3.2* Type Designation. A system for identifying types of powered industrial trucks for operation in nonclassified and classified areas. 3.3.2.1 Type Designation CN. A compressed natural gas– powered unitthathas minimum acceptable safeguards against inherent fire hazards.
3.3.2.10* Type Designation EX. An electrically powered unit in which the electric fittings and equipment are so designed, constructed, and assembled that the unit can be used in atmo- spheres containing specifically named flammable vapors, dusts, and, under certain conditions, fibers. 3.3.2.11 Type Designation G. A gasoline-powered unit that has minimum acceptable safeguards against inherent fire hazards. 3.3.2.12 Type Designation G/CN. A unit that operates on either gasoline or compressed natural gas that has minimum acceptable safeguards against inherent fire hazards. 3.3.2.13 Type Designation G/LP. Aunit that operates on ei- ther gasoline or liquefied petroleum gas and that has mini- mum acceptable safeguards against inherent fire hazards. 3.3.2.14 Type Designation GS. Agasoline-powered unit that, in addition to meeting all the requirements forType G units, is provided with additional safeguards to the exhaust, fuel, and electric systems. 3.3.2.15 Type Designation GS/LPS. A unit that operates on either gasoline or liquefied petroleum gas and, in addition to meeting all the requirements for the Type G/LP units, is pro- vided with additional safeguards to the exhaust, fuel, and elec- tric systems.NFPA 505 pdf download.