IESApproved Method:ElectricalandPhotometricMeasu rementsofSolid-StateLightingProdu ctsCopyright 2008 by the Illuminating Engineering Society.Approved by the IES Board of Directors December 31, 2007, as a Transaction of the Illuminating Engineering Society.All rights reserved. No part of this publication may be reproduced in any form, in any electronic retrieval system or otherwise, without prior written permission of the IES.Published by the Illuminating Engineering Society, 120 Wall Street, New York, New York 10005.IES Standards and Guides are developed through committee consensus and produced by the IES Office in New York. Careful attention is given to style and accuracy. If any errors are noted in this document, please forward them to Rita Harrold, Director Educational and Technical Development, at the above address for verification and correction. The IES welcomes and urges feedback and comments. ISBN # 978-0-87995-226-6 Printed in the United States of America.IES LM-79-08DISCLAIMERIES publications are developed through the consensus standards development process approved by the American National Standards Institute. This process brings together volunteers representing varied view-points and interests to achieve consensus on lighting recommendations. While the IES administers the pro-cess and establishes policies and procedures to promote fairness in the development of consensus, it makes no guaranty or warranty as to the accuracy or completeness of any information published herein. The IES disclaims liability for any injury to persons or property or other damages of any nature whatsoever, whether special, indirect, consequential or compensatory, directly or indirectly resulting from the publication, use...
