T/CNTAC 24-2018 English PDF (TCNTAC24-2018)

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T/CNTAC 24-2018: Electric heating garments
T/CNTAC 24-2018
ASSOCIATION STANDARD
ICS 61.020
Y 76
Electric Heating Garments
ISSUED ON: NOVEMBER 09, 2018
IMPLEMENTED ON: DECEMBER 09, 2018
Issued by: China National Textile and Apparel Council
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 6
4 Requirements ... 8
5 Test Methods ... 12
6 Inspection Rules ... 16
7 Labeling, Packaging, Transportation and Storage ... 16
Appendix A (Normative) Model Designation of Electric Heating Elements ... 17
Appendix B (Normative) Test Methods of Heating ... 18
Electric Heating Garments
1 Scope
This Standard specifies the terms and definitions, requirements, test methods, inspection rules,
marking, packaging, transportation and storage of electric heating garments.
This Standard applies to electric heating garments whose surface layer is textile fabrics and
which are heated by flexible resistive heating elements.
Products such as electric heating belts and electric heating knee pads can be implemented by
reference.
This Standard does not apply to garments for infants aged 36 months and below.
2 Normative References
The following documents are essential to the application of this Document. For the dated
documents, only the versions with the dates indicated are applicable to this Document; for the
undated documents, only the latest version (including all the amendments) is applicable to this
Document.
GB/T 1002 Single Phase Plugs and Socket-Outlets for Household and Similar Purposes -
Types, Basic Parameters and Dimensions
GB/T 1003 Three Phases Plugs and Socket-Outlets for Household and Similar Purposes -
Types, Basic Parameters and Dimensions
GB/T 1335 (all parts) Size Designation of Clothes
GB/T 2668 Sizes for Coats and Suits
GB/T 3883.1-2014 Safety of Motor-Operated Hand-Held, Transportable Electric Tools and
Lawn and Garden Tools - Part 1: General Requirements
GB/T 4208 Degrees of Protection Provided by Enclosure (IP Code)
GB 4706.8-2008 Household and Similar Electrical Appliances - Safety - Particular
Requirements for Blankets Pads and Similar Flexible Heating Appliances
GB 4943.1 Information Technology Equipment - Safety - Part 1: General Requirements
GB/T 5169.11-2017 Fire Hazard Testing for Electric and Electronic Products - Part 11:
Glowing/Hot-Wire Based Test Methods - Glow-Wire Flammability Test Method for End-
Products (GWEPT)
GB/T 5169.21-2017 Fire Hazard Testing for Electric and Electronic Products - Part 21:
Abnormal Heat - Ball Pressure Test Method
GB/T 5296.4 Instructions for Use of Products of Consumer Interest - Part 4: Textiles and
Apparel
GB/T 6411 A Series of Size of Knitted Underwear
GB/T 8878 Knitted Cotton Underwear
GB/T 9254 Information Technology Equipment - Radio Disturbance Characteristics -
Limits and Methods of Measurement
GB/T 14272 Down Garments
GB/T 14536.1-2008 Automatic Electrical Controls for Household and Similar Use - Part
1: General Requirements
GB 15092.1-2009 Switches for Appliances - Part 1: General Requirements
GB/T 17465.1-2009 Appliance Couplers for Household and Similar General Purposes -
Part 1: General Requirements
GB 17625.1 Electromagnetic Compatibility – Limits - Limits for Harmonic Current
Emissions (Equipment Input Current≤16A Per Phase)
GB/T 17627.1 High-Voltage Test Techniques for Low-Voltage Equipment - Part 1:
Definitions, Test and Procedure Requirements
GB/T 28164 Secondary Cells and Batteries Containing Alkaline or Other Non-Acid
Electrolytes - Safety Requirements for Portable Sealed Secondary Cells, and for Batteries
Made from Them, for Use in Portable Application
GB 31241-2014 Lithium Ion Cells and Batteries Used in Portable Electronic Equipment -
Safety Requirements
GB 31701 Safety Technical Code for Infants and Children Textile Products
GB/T 32614 Outdoor Sportswear - Water Resistant Garment
GB/T 35590 Information Technology - General Specification for Portable Digital
Equipment Used Power Bank
FZ/T 73020 Knitted Casual Wear
4 Requirements
4.1 Instructions for use
4.1.1 The instructions for use of garments shall be implemented in accordance with GB/T
5296.4 and GB 31701. Instructions for use shall also include the following:
--- finished products containing down filling shall indicate the amount of down filling;
--- instructions for normal clothing and clothing under rain and snow;
--- instructions on whether the electric heating element can be washed;
--- instructions for taking out and putting in the detachable electric heating element (when
applicable);
--- instructions on charging (where applicable);
--- a description of the electrical characteristics and safe use of batteries and battery pack
(when applicable);
--- a description of the positions of electrical parts, such as electric heating elements, control
devices, batteries, etc. on the garments;
--- instructions on maintenance and after-sales service;
--- instructions for use by the specific groups such as children, the elderly, the sick, and the
disabled;
--- warnings about avoiding sharp objects from scratching or piercing electric heating
elements;
--- warnings about the prevention of acute burns and low temperature burns;
--- instructions for folded storage.
4.1.2 Garment durability labels shall indicate the production date and safe use period of the
product. For garments with detachable electric heating elements, the garment durability label
shall also indicate:
--- the name or trademark (identification mark) of the manufacturer or responsible
distributor;
--- the model of the electric heating element applicable to the garment (see Appendix A for
the model designation).
4.1.3 For the detachable electric heating element on the garment, the following content shall be
4.5 Garment quality
4.5.1 The product shall meet the basic safety technical requirements of GB 18401; and the
electric heating garment worn by children shall also meet the requirements of GB 31701.
4.5.2 Electric heating woven down garments shall comply with GB/T 14272; and knitted down
garments shall comply with FZ/T 73053.
4.5.3 Electric heating casual garments shall comply with FZ/T 81007.
4.5.4 Electric heating knitted casual garments shall comply with FZ/T 73020.
4.5.5 Electric heating water resistant garments shall comply with GB/T 32614.
4.5.6 Electric heating cotton knitted underwear shall comply with GB/T 8878; and chemical
fiber knitted underwear shall comply with FZ/T 73024.
4.5.7 The consumption quality requirements of other electric heating products shall comply
with relevant national standards or industry standards.
5 Test Methods
5.1 General conditions for electrical safety inspection
5.1.1 Unless otherwise specified, the electrical safety test shall be carried out in a place without
forced convection air and at an ambient temperature of (20±5) °C, and the humidity be kept
between 30% RH ~ 80% RH.
NOTE 1: When the air velocity is less than 0.4 m/s, it can be considered that there is no forced convection
air.
5.1.2 Battery-powered electric heating garments: Conduct the test with a fully charged battery
or battery pack, for the specimens provided with the battery or battery pack, test with the
provided battery or battery pack; otherwise, use the battery or battery pack described in the
instructions for use for test. If there is no relevant description in the instructions for use, the test
shall be carried out with a battery or bat...