UL Standard for Safety Automatic Electrical Controls for Household and Similar Use – Part 2-9: Particular Requirements for Temperature Sensing Controls (Third Edition)
"This clause of part 1 is applicable except as follows: Replacement: This part of IEC 60730 applies to automatic electrical temperature sensing controls for use in@ on or in association with equipment for household and similar use@ including electrical controls for heating@ air-conditioning and similar applications. The equipment may use electricity@ gas@ oil@ solid fuel@ solar thermal energy@ etc.@ or a combination thereof. Replace the explanatory matter with the following new explanatory matter: Examples of such controls include boiler thermostats@ fan controls@ temperature limiters and thermal cut-outs. Throughout this standard@ the word ""equipment"" includes ""appliance"" and ""control system"". Replacement: This standard also applies to the electrical safety of temperature sensing controls with nonelectrical outputs such as refrigerant flow and gas controls. Not applicable. Additional subclause: This standard applies to single operation devices as defined in this standard. DV D2 Modify text of 1.1.101 with the following: This standard applies to single operation devices@ thermostats for drip-type coffee makers@ self-heating thermal protectors (SHTP) for recessed lighting fixtures@ and Fan/Heat sequencers as defined in this standard."