UL 2344:2017-07 Material Lifts

UL 2344:2017-07 Material Lifts. 1.1 These requirements cover manually, electrically and pneumatically powered lifts. They are intended for the lifting and transport of materials and not for the movement or support of people. They are rated 250 volts or less, to be employed in nonhazardous environmental locations in accordance with the National Electrical Code, NFPA 70. 1.2 This standard does not apply to the following equipment: a) Permanently installed material lifts, serving specific levels of a building and/or fitted with a car; b) Power operated lifting platforms for persons with impaired mobility; C) Mobile elevating work platforms; d) Vehicle lifts (for maintenance); and e) Powered forklift trucks. 2 Components 2.1 Except as indicated in 2.2, a component of a product covered by this Standard shall comply with the requirements for that component. See Appendix A for a list of Standards under which components are evaluated. 2.2 A component is not required to comply with a specific requirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4 Specific components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specified limits, and shall be used only under those specific conditions. 3 Undated References 3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 4 Units of Measurement 4.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 5 Glossary 5.1 For the purpose of this standard the following definitions apply. 5.2 CIRCUITS, ELECTRICAL: a) High-Voltage — A circuit with a potential of not more than 600 volts having circuit characteristics greater than those of a low-voltage power-limited circuit. b) Low-Voltage — A circuit with a potential of not more than 30 volts AC rms, 42.4 volts DC or AC peak, and supplied by: 1) A primary battery; 2) A Class 2 transformer; or 3) A combination of transformer and fixed impedance that, as a unit, complies with all of the performance requirements for a Class 2 transformer....