UL 430:2004 pdf download Waste Disposers
1 Scope
1.1 These requirements cover motor operated household and commercial disposers rated 600 V or lessand intended to be used in accordance with the National Electrical Code, NFPA 70. These disposers areintended to convert organic types of waste material to a form that can be accommodated by plumbingsystems. The requirements also cover field-installed control assemblies and accessories specificallyintended for use with disposers covered by this standard.
1.2 These requirements do not cover an incinerator-type disposer or a disposer using a universal motorwith a rating greater than 250 V.
2 Components
2.1 Except as indicated in 2.2, a component of a disposer covered by this standard shall comply with therequirements for that component. See Appendix A for a list of standards covering components generallyused in the disposers covered by this standard.
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 theproduct covered by this standard, or
b) ls superseded by a requirement in this standard
2.3 A component shall be used in accordance with its rating established for the intended conditions ofuse
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 notexceeding specified limits, and shall be used only under those specific conditions.
3 Units of Measurement
3.1 Values stated without parentheses are the requirement Values in parentheses are explanatory orapproximate information.
4 Undated References
4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall beinterpreted as referring to the latest edition of that code or standard.
5 Glossary
5.1 For the purpose of this standard the following definitions apply.
5.2 BARRIER – A part of a disposer that functions to reduce the risk of access to current-carrying partsor internal wiring through openings in the enclosure that involves a risk of electric shock or injury tooersons, or reduces the risk of fire or injury to persons as a result of molten metal or burning insulationbeing expelled through openings in the enclosure under abnormal conditions.
5.3 DECORATIVE PART – A part used for no function other than appearance.5.4 ENCLOSURE – That portion of a disposer that:
a) Renders inaccessible any part that presents a risk of electric shock or injury to persons.
b) Reduces the risk of flame propagation initiated by electrical disturbances occurring within, or
c) Both.
A grill, guard, panel, barrier, or similar part forms part of an enclosure if it reduces the risk of contactwith an uninsulated current-carrying part or a part that presents a risk of injury to persons.
5.5 FUNCTIONAL PART – A part that is necessary for the intended operation of the disposer, thedeterioration of which may result in a risk of fire, electric shock, or injury to persons.
5.6 HOPPER – A container that funnels material into the disposer prior to the reduction process.
UL 430:2004 pdf download
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