UL 489C-2017 pdf download – Flatiron and Appliance Plugs.
3 Components 3.1 Except as indicated in Clause 3.2, a component of a product covered by this Standard shall comply with the requirements for that component. See Clause 2 for a list of standards covering components generally used in the products covered by this Standard. A component shall comply with the CSA Group or UL standards as appropriate for the country where the product is to be used. 3.2 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or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 3.3 A component shall be used in accordance with its rating established for the intended conditions of use. 3.4 Specific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. 4 Units of Measurements 4.1 When a value for measurement is followed by a value in other units in parentheses, the first stated value is the requirement. 5 Definitions 5.1 For the purposes of this standard, the following definitions apply. 5.2 APPLIANCE PLUG (Appliance Connector) – A female contact device having a cord guard and a slot configuration specified for use with heating or cooking appliances and intended to mate with appliance pins. Used as a component of a heater cord set. See the Standard for Cord Sets and Power Supply Cords, UL 817 and Cord Sets and Power Supply Cords, CSA C22.2 No. 21. 5.3 FLATIRON PLUG (Appliance Connector) – A female contact device with a cord guard and a slot configuration specified for use with electric irons and similar heating appliances and intended to mate with appliance pins.
7 General 7.1 The ratings mentioned throughout this Standard including those mentioned in Table 24.1 represent maximum ampacity and maximum operating potential in volts. 7.2 A device is considered to be for use on either alternating or direct current unless the rating includes the letters ″ac″ to restrict the use to alternating current. See MARKINGS, General, Clause 32. 8 Insulating Materials 8.1 General 8.1.1 All parts that act as the electrical insulation or enclosure of either an appliance or flatiron plug shall be permitted, provided that the material complies with the requirements in Clauses 8.2 – 8.4. Hard rubber shall not be employed. 8.1.2 An insulating material used for electrical insulation or enclosure of live parts shall be fabricated in accordance with the Standard for Polymeric Materials – Fabricated Parts, UL 746D. 8.1.3 An insulating material that is fabricated in the same location where final assembly takes place and where no blending or compounding operations are involved is not required to comply with this requirement.