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BS EN 60335-2-17:2013

BS EN 60335-2-17:2013

$198.66

Household and similar electrical appliances. Safety – Particular requirements for blankets, pads, clothing and similar flexible heating appliances

Published By Publication Date Number of Pages
BSI 2013 64
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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 This publication is to be read in conjunction with /2.

PDF Catalog

PDF Pages PDF Title
7 English
CONTENTS
9 INTRODUCTION
10 1 Scope
11 2 Normative references
3 Terms and definitions
13 4 General requirement
5 General conditions for the tests
15 6 Classification
7 Marking and instructions
18 8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power input and current
11 Heating
19 Tables
Table 101 – Maximum temperatures
Table 102 – Maximum temperature rises
20 12 Void
13 Leakage current and electric strength at operating temperature
21 14 Transient overvoltages
15 Moisture resistance
22 16 Leakage current and electric strength
23 17 Overload protection of transformers and associated circuits
18 Endurance
19 Abnormal operation
27 20 Stability and mechanical hazards
21 Mechanical strength
34 22 Construction
36 23 Internal wiring
24 Components
37 25 Supply connection and external flexible cords
38 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
41 31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Figures
Figure 101 – Symbol for “Do not use folded or rucked”
Figure 102 – Symbol for “Do not insert pins”
42 Figure 103 – Arrangement for measuring leakage currentand electric strength of the flexible part
43 Figure 104 – Arrangement for the three-thickness fold test
44 Figure 105 – Examples showing the position of the thermal insulationon ruck-resistant blankets and mattresses
45 Figure 106 – Examples of folds and the position of the thermal insulation on pads
46 Figure 107 – Tumbling barrel for testing the mechanical strength of pads
47 Figure 108 – Impact apparatus for testing enclosures of moisture-proof appliances
48 Figure 109 – Shape of the sample for the tear resistance test
Figure 110 – Equipment for flexing heating elements and internal wirin
49 Figure 111 – Arrangement for the rigidity test of ruck-resistant blankets
50 Figure 112 – Equipment for the spark ignition test
51 Figure 113 – Equipment for the spark ignition test – Details of the mask
52 Annexes
Annex A (informative) Routine tests
Table A.101 – Test voltages
54 Annex AA (normative) Specification for the thermal insulation
55 Annex BB (normative) Equipment for the mechanical strength test for blankets
56 Figure BB.1 – Equipment for the mechanical strength test of blankets
57 Figure BB.2 – Detail of the drum and cylinders
Figure BB.3 – Detail of the clamping bar
58 Annex CC (normative) Clothing
61 Bibliography

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BS EN 60335-2-17:2013
$198.66