Detail of GB/T 4706.80-2024

Introduction of GB/T 4706.80-2024

GB/T 4706.80-2024 Safety of household and similar electrical appliances - Part 80: Particular requirements for foot warmers and heating mats 1 Scope This clause of GB/T 4706.1-2024 is replaced by the following. This document specifies special requirements for the safety of household and similar electric foot warmers, electric heating mats, and similar appliances. This document deals with the safety of electric foot warmers and heating mats for household and similar purposes, their rated voltage being not more than 250 V. As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account ——persons (including children) whose • physical, sensory or mental capabilities; or • lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction; ——children playing with the appliance. Note 101: Attention is drawn to the fact that ——for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary; ——in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour, and similar authorities. Note 102: This standard does not apply to ——appliances specifically intended for use under medical supervision; ——electric blankets and pads (GB/T 4706.8); ——electrically heated carpets (GB/T 4706.108); ——electrical heating appliances for breeding and rearing animals (GB/T 4706.47). 2 Normative references This clause of GB/T 4706.1-2024 is applicable except as follows. Addition: ISO 2439, Flexible cellular polymeric materials - Determination of hardness (indentation technique) IEC 60320-3, Appliance couplers for household and similar general purposes - Part 3: Standard sheets and gauges 3 Terms and definitions This clause of GB/T 4706.1-2024 is applicable except as follows. 3.1.9 Replacement: normal operation operation of the appliance under the following conditions: Foot warmers are unfilled and placed on a horizontal surface. Heating mats are placed on a horizontal surface and covered by a piece of expanded polystyrene having dimensions approximately 300 mm × 150 mm × 50 mm. Note 101: The density of the polystyrene is approximately 20 kg/m3 ± 5 kg/m3. 3.101 foot warmer appliance into which the user's feet are inserted in order to warm them 3.102 heating mat appliance having an area not exceeding 0.5 m2, on which the user's feet are placed in order to warm them 3.103 heating element with PTC characteristics heating element of the appliance consisting of a pair of conductors separated by conductive material that has a rapid non-linear increase in resistance when the temperature is raised through a particular range 4 General requirement This clause of GB/T 4706.1-2024 is applicable.

Contents of GB/T 4706.80-2024