UL 1431-2020 pdf free download.Personal Hygiene and Health Care Appliances.
Exception: A thermostat used in a heating pad assembly that complies with Section .9 of this end product standard is considered to meet the intent of this requirement.
3.6.6.2 A temperature sensing positive temperature coefficient (PTC) or negative temperature coefficient (NTC) thermistor, that performs the same function as an operating or protective control shall comply with the Standard for Thermistor-Type Devices. UL 1434.
3.6.6.3 A thermal cutoff shall comply with the Standard for Thermal-Links (Thermal Cutoffs) for Use in Electrical Appliances and Components, UL 60691
3.6.7 Timer Controls
3.671 A timer control shall comply with the:
a) Standard for Solid-State Controls for Appliances, UL 244A: or
b) Standard for Automatic Electrical Controls for Household and Similar Use; Part 1: General Requirements. UL 60730-1: and the Standard for Automatic Electrical Controls for Household and Similar Use: Part 2: Particular Requirements foi Timers and Time Switches. UL 60730-2-7.
3.7 Cords. Cables, and Internal Wiring
3.7.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.
3.7.2 Flexible cords and cables shall comply with the Standard for Flexible Cords and Cables. UL 62.
Flexible cord and cables are considered to fulfill this requirement when pre-assembled in a cord set or
power supply cord complying with the Standard for Cord Sets and Power Supply Cords, UL 817.
3.7.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Winng Material. UL 758.
Exception No, 1: Insulated conductors need not comply with UL 758 if they comply with one of the following:
a) Standard for Thermoset-Insulated Wres and Cables. UL 44:
b) Standard for Thermoplastic-Insulated Wires and Cables. UL 83:
c) Standard for Fixture Wire, IJL 66; or
d) The appropriate UL standard (s) for other insulated conductor types specified in Chapter 3
(Wiring Methods and Materials) of NFPA 70.
Exception No. 2: Insulated conductors for specialty applications (e.g. data processing or communications)
and located in a low-voltage circuit not involving the risk of fire or personal injury need not comply with UL
758.
3.8 Cord Reels
3.8.1 A cord reel shall comply with the special-use cord reel requirements of the Standard for Cord Reels, UL 355.UL 1431 pdf download.