CSA C22 2 NO 72-2010 Heater elements (Third Edition).pdf
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1、C22.2 No. 72-10Heater elementsLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to
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16、ched standard;.sell this document without authorization from CSA; or.make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the contents hereof, and if you do make s
17、uch copies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.CSA Standards Update ServiceC22.2 No. 72-10February 2010Title: Heater elementsPagination: 20 pages (vii preliminary and 13 text), each dated Feb
18、ruary 2010To register for e-mail notification about any updates to this publicationgo to www.ShopCSA.caclick on E-mail Services under MY ACCOUNTclick on CSA Standards Update ServiceThe List ID that you will need to register for updates to this publication is 2420554.If you require assistance, please
19、 e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.Published in February 2010 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga
20、, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at www.ShopCSA.caC22.2 No. 72-10Heater elementsCSA Standard100%ISBN 978-1-55491-388-6Technical Editor:Leonard Letea Canadian Standards Association 2010All rights reserved. No part of this publication may be reproduced in any
21、form whatsoever without the prior permission of the publisher.To purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4044.The Canadian Standards Association (CSA) prints its publications on Rolland Enviro100, which co
22、ntains 100%recycled post-consumer fibre, is EcoLogo and Processed Chlorine Free certified, and was manufactured using biogas energy.February 2010 iiiContents Canadian Standards Association Heater elementsTechnical Committee on Consumer and Commercial Products vSubcommittee on Heater Elements viPrefa
23、ce vii1Scope 12 Reference publications 13 Definitions 24 General requirements 25 Construction 25.1 Open-wire heater elements 25.1.1 General 25.1.2 Insulation 35.1.3 Spacings 35.2 Metal-sheathed heater elements 35.2.1 General 35.2.2 Sheath 35.2.3 Insulation 45.2.4 Terminal parts and leads 45.3 Variab
24、le resistance/temperature (VR/T) heater elements 45.3.1 General 45.3.2 Sheath 45.3.3 Insulation 55.3.4 Terminal parts and leads 55.4 Special heater elements 55.4.1 General 55.4.2 Insulation 55.4.3 Terminal parts and leads 56 Tests 56.1 General 56.2 Rating 56.3 Test voltage 66.4 Dielectric strength 6
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