EN 60335-2-17:2013

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General requirement
5 General conditions for the tests
6 Classification
7 Marking and instructions
8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power input and current
11 Heating
12 Void
13 Leakage current and electric strength at
   operating temperature
14 Transient overvoltages
15 Moisture resistance
16 Leakage current and electric strength
17 Overload protection of transformers and
   associated circuits
18 Endurance
19 Abnormal operation
20 Stability and mechanical hazards
21 Mechanical strength
22 Construction
23 Internal wiring
24 Components
25 Supply connection and external flexible
   cords
26 Terminals for external conductors
27 Provision for earthing
28 Screws and connections
29 Clearances, creepage distances and solid
   insulation
30 Resistance to heat and fire
31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Annexes
Annex A (informative) - Routine tests
Annex AA (normative) - Specification for the
         thermal insulation
Annex BB (normative) - Equipment for the
         mechanical strength test for blankets
Annex CC (normative) - Clothing
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

IEC 60335-2-17:2012 deals with the safety of electric blankets, pads, clothing and other flexible appliances that heat the bed or human body, for household and similar purposes, their rated voltage being not more than 250 V. This standard also applies to control units supplied with the appliance. Appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as appliances intended to be used in beauty parlours or by persons in cold ambient temperatures, are within the scope of this standard. 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 or children playing with the appliance. This third edition cancels and replaces the second edition published in 2002 including its Amendment 1 (2006) and its Amendment 2 (2008). It constitutes a technical revision. The principal changes in this edition as compared with the second edition are as follows (minor changes are not listed): - The definition of PTC heating element has been deleted and the definition in Part 1 now applies. A definition of a heating element with PTC characteristics has been introduced instead (3.117). This has resulted in editorial changes to 5.7, 5.8.2, 7.1, 10.101, 11.2, 21.105, 21.111.1 and 21.112. - The allowance for class I appliances has been deleted and requirements for appliances incorporating a functional earth have been incorporated (6.1, 7.1, 22.115). - The working voltage of parts of class III construction is limited to 24 V (22.26). - Some notes have been deleted or converted to normative text (3.107, 3.111, 3.113, 5.2, 5.3, 5.8.2, 11.8, 11.101, 11.102, 15.1, 15.101, 19.1, 19.13, 19.102, 19.103, 19.105, 19.106, 19.108, 19.109, 19.110, 19.111, 19.112, 21.1, 21.102, 21.103, 21.109, 21.110.3, 21.111.1, 21.111.2, 21.111.3, 21.112, 22.103, 22.114, 25.23, Annex AA, Annex CC 3.1.9, 19.201, 19.203). - Modification of the marking requirements (7.1, 7.14, 7.15). - Modification of the instructions (7.12). - Clarification of the heat stroke test (11.101). - The figure numbers have been updated to take into account deletion of Figure 103 in the previous edition. The attention of National Committees is drawn to the fact that equipment manufacturers and testing organizations may need a transitional period following publication of a new, amended or revised IEC publication in which to make products in accordance with the new requirements and to equip themselves for conducting new or revised tests. It is the recommendation of the committee that the content of this publication be adopted for implementation nationally not earlier than 12 months or later than 36 months from the date of publication. Keywords: electric blanket: pad: heating element