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CSA C22.2 NO. 0.1:19 General Requirements for Double-Insulated Equipment
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CSA C22.2 No. 0.1:19
February 2019
Title: General requirements for double-insulated equipment
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CSA C22.2 No. 0.1:19
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ICS 29.080
ISBN 978-1-4883-1836-8
© 2019 Canadian Standards Association
All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.
Technical Committee on General Requirements, CE Code, Part II 2 Subcommittee on General Requirements for Double Insulated Equipment 4 Preface 5
Scope 7
Reference publications 7
Definitions 8
General requirements 8
Construction 9
General 9
Openings and recesses 10
Mechanical assembly 10
Supply connections 11
Spacings 12
Coatings 12
Reinforced insulation 13
General 13
Brush caps and brush holders 13
Commutator and end turns of the armature winding 13
Switches 13
Power supply cord 14
Internal wiring 14
Other locations 15
Moisture absorption resistance and flammability classification of insulation material 15
Marking 15
Tests 16
General 16
Dielectric strength 16
Leakage current 16
Mechanical strength 17
Drop 17
Impact 17
Thermal stability 17
Supplementary insulation 18
Accessibility to live parts 18
Annex A (informative) — Symbol for Class II equipment with functional ground 21
V.V. Gagachev | Eaton, Burlington, Ontario, Canada Category: Producer Interest | Chair |
T. Olechna | Electrical Safety Authority, Mississauga, Ontario, Canada Category: Regulatory Authority | Vice-Chair |
M.S. Anderson | SaskPower, Regina, Saskatchewan, Canada Category: Regulatory Authority |
G. Benjamin | ABB Installation Products Ltd., Dorval, Québec, Canada Category: Producer Interest |
P. Corby | City of Victoria, Victoria, British Columbia, Canada Category: Regulatory Authority |
P. Desilets | Leviton Manufacturing of Canada Limited, Pointe-Claire, Québec, Canada Category: Producer Interest |
W. Hassan | Northern Lights Asset Management Ltd., Oakville, Ontario, Canada Category: General Interest |
R.J. Kelly | Government of Nunavut — Department of Community & Government Services, Iqaluit, Nunavut, Canada Category: Regulatory Authority |
G. Lobay | CSA Consumer Network, Ottawa, Ontario, Canada Category: General Interest |
D.R. MacLeod | Department of Labour and Advanced Education, Halifax, Nova Scotia, Canada Category: Regulatory Authority |
D. Mascarenhas | Brampton, Ontario, Canada Category: General Interest |
R. McIntyre | Electro-Federation Canada, Toronto, Ontario, Canada Category: Producer Interest |
M. Smith | Kitchener, Ontario, Canada Category: General Interest |
A.Z. Tsisserev | AES Engineering, Vancouver, British Columbia, Canada Category: General Interest |
A. Hawley | CSA Group, Toronto, Ontario, Canada | Project Manager |
P. Desilets | Leviton Manufacturing of Canada Limited, Pointe-Claire, Québec, Canada | Chair |
R.P. de Lhorbe | Schneider Electric Canada, Inc., North Vancouver, British Columbia, Canada |
J.E. Evans | Evans Regulatory Certification Consulting, Jasper, Ontario, Canada |
R. Guinn | Oro-Medonte, Ontario, Canada |
S. Lawrence | Cisco Systems Canada Co., Scarborough, Ontario, Canada |
W. Meng | CSA Group, Taipei, Taiwan |
J.S. Stimitz | Underwriters Laboratories Inc., Melville, New York, USA |
A. Hawley | CSA Group, Toronto, Ontario, Canada | Project Manager |
This is the second edition of CSA C22.2 No. 0.1, General requirements for double-insulated equipment, one of a series of Standards issued by Canadian Standards Association under Part II of the Canadian Electrical Code. It supersedes the previous edition published in 1985.
Changes to this edition include
addition of the symbols for double insulated equipment;
updates to definitions based on current usage; and
editorial updates for clarity.
This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard.
This Standard was prepared by the Subcommittee on General Requirements for Double Insulated Equipment, under the jurisdiction of the Technical Committee on General Requirements, CE Code, Part II and the Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
Interpretations: The Strategic Steering Committee on Requirements for Electrical Safety has provided the following direction for the interpretation of standards under its jurisdiction: “The literal text shall be used in judging compliance of products with the safety requirements of this Standard. When the literal text cannot be applied to the product, such as for new materials or construction, and when a relevant CSA committee interpretation has not already been published, CSA Group’s procedures for interpretation shall be followed to determine the intended safety principle.”
Notes:
Use of the singular does not exclude the plural (and vice versa) when the sense allows.
Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose.
This Standard was developed by consensus, which is defined by CSA Policy governing standardization — Code of good practice for standardization as “substantial agreement. Consensus implies much more than a simple majority, but not necessarily unanimity”. It is consistent with this definition that a member may be included in the Technical Committee list and yet not be in full agreement with all clauses of this Standard.
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CSA C22.2 No. 0.1:19
Scope
1.1
This Standard is intended to provide basic requirements for the evaluation of double-insulated cord- connected electrical equipment.
1.2
This Standard applies to equipment for use on branch circuits installed in accordance with CSA C22.1,
Canadian Electrical Code, Part I, and not exceeding 250 V-to-ground.
1.3
This Standard supplements individual standards of the Canadian Electrical Code, Part II.
1.4
Individual product standards might specify, as necessary, other double-insulated construction and test requirements because of the particular nature and application of their product.
1.5
In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
Reference publications
This Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amendments published thereto.
CSA Group
C22.1-18
Canadian Electrical Code, Part I