1、C22.2 No. 76-14SplittersLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and int
2、erests to achieve consensus and develop a standard. Although CSA Group administers the process and establishes rules to promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.Disclaimer and exclusion of liabilityThis document is provided
3、 without any representations, warranties, or conditions of any kind, express or implied, including, without limitation, implied warranties or conditions concerning this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any third partys intellectual pr
4、operty rights. CSA Group does not warrant the accuracy, completeness, or currency of any of the information published in this document. CSA Group makes no representations or warranties regarding this documents compliance with any applicable statute, rule, or regulation.IN NO EVENT SHALL CSA GROUP, I
5、TS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIATED COMPANIES, OR THEIR EMPLOYEES, DIRECTORS, OR OFFICERS, BE LIABLE FOR ANY DIRECT, INDIRECT, OR INCIDENTAL DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES, HOWSOEVER CAUSED, INCLUDING BUT NOT LIMITED TO SPECIAL OR CONSEQUENTIAL DAMAGES, LOST REVENUE, BUSIN
6、ESS INTERRUPTION, LOST OR DAMAGED DATA, OR ANY OTHER COMMERCIAL OR ECONOMIC LOSS, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER THEORY OF LIABILITY, ARISING OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA GROUP HAS BEEN ADVISED OF THE POSS
7、IBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.In publishing and making this document available, CSA Group is not undertaking to render professional or other services for or on behalf of any person or entity or to perform any duty owed by any person or entity to another person or entity.
8、The information in this document is directed to those who have the appropriate degree of experience to use and apply its contents, and CSA Group accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained in this document.CSA Group is a pr
9、ivate not-for-profit company that publishes voluntary standards and related documents. CSA Group has no power, nor does it undertake, to enforce compliance with the contents of the standards or other documents it publishes.Intellectual property rights and ownershipAs between CSA Group and the users
10、of this document (whether it be in printed or electronic form), CSA Group is the owner, or the authorized licensee, of all works contained herein that are protected by copyright, all trade-marks (except as otherwise noted to the contrary), and all inventions and trade secrets that may be contained i
11、n this document, whether or not such inventions and trade secrets are protected by patents and applications for patents. Without limitation, the unauthorized use, modification, copying, or disclosure of this document may violate laws that protect CSA Groups and/or others intellectual property and ma
12、y give rise to a right in CSA Group and/or others to seek legal redress for such use, modification, copying, or disclosure. To the extent permitted by licence or by law, CSA Group reserves all intellectual property rights in this document.Patent rightsAttention is drawn to the possibility that some
13、of the elements of this standard may be the subject of patent rights. CSA Group shall not be held responsible for identifying any or all such patent rights. Users of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own responsibility.
14、Authorized use of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to do only the following:If this document is in electronic form: load this document onto a computer for the sole purpose of reviewing it;
15、 search and browse this document; and print this document if it is in PDF format.Limited copies of this document in print or paper form may be distributed only to persons who are authorized by CSA Group to have such copies, and only if this Legal Notice appears on each such copy.In addition, users m
16、ay not and may not permit others to alter this document in any way or remove this Legal Notice from the attached standard; sell this document without authorization from CSA Group; or make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this L
17、egal Notice, you may not load or use this document or make any copies of the contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.Standards Update ServiceC22.2
18、No. 76-14March 2014Title: SplittersTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2422853.If you require assistance, please e-mail techsupportcsagroup
19、.org or call 416-747-2233.Visit CSA Groups policy on privacy at csagroup.org/legalto find out how we protect your personal information.ISBN 978-1-77139-441-3 2014 CSA GroupAll rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the pu
20、blisher.Published in March 2014 by CSA Group A not-for-profit private sector organization 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6 To purchase standards and related publications, visit our Online Store at shop.csa.caor call toll-free 1-800-463-6727 or 416-747-4044.TMA trade
21、-mar k of the Canadian S tandards Association, operating as “CSA Group”SplittersC22.2 No. 76-14C22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 1ContentsTechnical Committee on Industrial Products 3Subcommittee on Splitters 6Preface 71 Scope 82 Reference publications 83 Definitions 94 Construction 1
22、04.1 Enclosures 104.1.1 General purpose 104.1.2 Special purpose 104.2 Current-carrying parts 114.2.1 General 114.2.2 Busbars 114.2.3 Wire connectors 114.2.4 Fastening of current-carrying parts 134.3 Insulating supports 144.4 Electrical spacings 144.5 Wiring space and wire bending space 154.5.1 Bare
23、live parts 154.5.2 Cable entry 154.5.3 Knockouts, pryouts, twistouts 154.5.4 Entries with no knockouts 154.5.5 Space at terminations 154.5.6 Clearance over busbars 164.6 Grounding and bonding 165 Marking 175.1 Information to be marked 175.2 Location 175.3 Paper sticker 185.4 Wire connector kits 186
24、Tests 186.1 Temperature 186.2 Load cycling 196.3 Mechanical strength 196.3.1 Compression 196.3.2 Deflection 206.3.3 Strength of bases for the mounting of live parts 206.4 Dielectric strength 206.5 Adherence of coating on aluminum surfaces 21C22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 2Annex A
25、(informative) Wiring space and wire bending space in electrical equipment intended to be field wired 26C22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 3Technical Committee on Industrial ProductsR.M. Bartholomew Electric Power Equipment Ltd, Vancouver, British ColumbiaRepresenting Producer Interest
26、ChairR.P. de Lhorbe Schneider Electric Canada, Inc., Richmond, British ColumbiaRepresenting Producer InterestVice-ChairD.P. Badry Government of Yukon, Whitehorse, Yukon TerritoryRepresenting Government and/or Regulatory AuthorityB. Baldwin Startco Engineering ULC, Saskatoon, SaskatchewanAssociateW.J
27、. Bryans Electro-Federation Canada, Toronto, OntarioAssociateR.B. Buckler ASCO Power Technologies Canada, Brantford, OntarioAssociateW.J. Burr Burr and Associates, Campbell River, British ColumbiaAssociateF. Chan Schneider Electric Canada, Inc., Mississauga, OntarioAssociateP.D. den Bakker Shell Glo
28、bal Solutions Canada, Calgary, AlbertaAssociateS.W. Douglas International Association of Electrical Inspectors, Toronto, OntarioAssociateJ.H. Dymond Peterborough, Ontario AssociateV.V. Gagachev Eaton, Burlington, OntarioAssociateC22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 4W.K. Jones Eaton, Bu
29、rlington, OntarioRepresenting Producer InterestR.J. Kelly Government of Nunavut-Dept of Community b) provide an explanation of circumstances surrounding the actual field condition; andc) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue.Comm
30、ittee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.5) This Standard is subject to review five years from the date of publication and suggestions fo
31、r its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquiriescsagroup.org and include “Proposal for change” in the subject line:a) Standard designation (number);b) relevant clause, table, and/or figure number;c) w
32、ording of the proposed change; andd) rationale for the change.C22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 8C22.2 No. 76-14Splitters1 Scope1.1 This Standard applies to splitters, having a current rating of 5000 A and less, intended for installation in nonhazardous locations in accordance with t
33、he Rules of the Canadian Electrical Code, Part I on systems having nominal voltages of 600 V and less.1.2 General requirements applicable to this Standard are given in CAN/CSA-C22.2 No. 0.1.3 In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to sa
34、tisfy 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 alternat
35、ive 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-ma
36、ndatory) to define their application.2 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below:CSA GroupC22.1-12Canadian Electrical Code, Part ICAN/CSA-C22.2 No. 0-10General Requirements Canadian Electrical C
37、ode, Part IICAN/CSA-C22.2 No. 0.4-04 (R2009)Bonding and grounding of electrical equipment (Protective grounding)C22.2 No. 0.12-M1985 (R2012)Wiring space and wire bending space in enclosures for equipment rated 750 V or lessC22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 9C22.2 No. 26-13Wireways, a
38、uxiliary gutters, and associated fittingsCSA C22.2 No. 29-11Panelboards and enclosed panelboardsC22.2 No. 40-M1989 (R2009)Cutout, junction, and pull boxesC22.2 No. 65-13Wire connectorsCAN/CSA-C22.2 No. 94.2-07 (R2012)Enclosures for electrical equipment, environmental considerations.C22.2 No. 1691-12
39、Single pole locking-type separable connectorsANSI/ASME (American National Standards Institute/American Society of Mechanical Engineers)B18.21.1-2009Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)3 DefinitionsThe following definitions apply in this Standard:Branch connectors
40、 the connectors provided for the termination of conductors used to carry power out of the splitter.Busbar a conductor, generally rectangular in cross-section, mounted on insulators and extending for a substantial distance through the length of the enclosure, and on which the main terminal and a numb
41、er of branch terminals are mounted, the latter being distributed along the length of the busbar.Main connectors the connectors provided for the termination of the conductors to be used for the supply of power to the splitter.Splitter a splitter box or splitter trough.Splitter box a metal enclosure h
42、aving a length-to-width ratio less than 3 to 1 and containing only terminal plates or busbars having main and branch connectors or provisions for main or branch wire connectors.Splitter trough a metal enclosure having a length-to-width ratio equal to or exceeding 3 to 1 and containing only terminal
43、plates or busbars having main and branch connectors or provision for main and branch wire connectors.Stepped buses a system of busbars in which the bars differ from each other, in distance from the enclosure wall on which they are supported.Terminal plate a short conductor, generally rectangular in
44、cross-section, which, when mounted on an insulator, and having a main connector and a number of branch connectors or provision for main and branch circuit wire connectors, forms a terminal block.C22.2 No. 76-14SplittersMarch 2014 2014 CSA Group 104 Construction4.1 Enclosures4.1.1 General purpose4.1.
45、1.1 A general purpose enclosure for a splitter box shall conform with the requirements of CSA C22.2 No. 40, and for a splitter trough shall conform with the requirements of CSA C22.2 No. 26, except as outlined in Clauses 4.1.1.2 to 4.1.1.6.4.1.1.2 Each cover shall conform with the following:a) it sh
46、all be not longer than 1830 mm and shall be hinged if it weighs more than 34 kg;b) a captive screw fastening shall be considered equivalent to the cover latch required by CSA C22.2 No. 40; andc) for cover sealing other than captive screws, provision for locking shall be provided.Note: Covers may be
47、provided with means for sealing.4.1.1.3 The depth of the enclosure shall be not less than required to accommodate the conduit needed for the largest conductors for which main terminals have been provided.4.1.1.4 The length of the enclosure shall not exceed 4900 mm.Note: A splitter in an enclosure gr
48、eater than 4900 mm in length is considered a busway.4.1.1.5 Sheet steel used for the back, side, and end walls of boxes shall have thicknesses not less than that specified in Table 4, except that an enclosure may be constructed of sheet steel that is thinner than that specified in Table 4 if ita) is
49、 not thinner than 1.34 mm; andb) complies with the test requirements of Clause 6.3.1.4.1.1.6 Sheet metal used for doors and covers of troughs shall have a thickness not less than that specified in Table 5, except that a door or cover may be constructed of sheet metal that is thinner than that specified in Table 5 if ita) is not thinner than 1.34 mm for steel or stainless steel or 1.91 mm for aluminum, copper, or brass;b) is flanged or similarly strengthened; andc) meets the requirements of Clause 6.3.2.4.1.2 Special purposeSpecial purpose encl
