The objective of this research was to investigate the effects of grounding electrical systems on metallic water services and system in terms of the shock hazard for utility employees and reduced service life of the pipe due to possible external corrosion caused by the current flow. Effects on water quality (internal corrosion) were also investigated. The program involves participation by twenty water utilities geographically dispersed throughout the U.S. This paper presents an overview of the project along with the results of a literature review and operation survey which were conducted. Field testing protocols are also presented. This research was sponsored by the American Water Works Association Research Foundation (AWWARF).

Subject
Electric current, Buildings, Test methods, Water, Piping, Piping systems, Conductors, Wiring, Grounding, Transformers, Personnel, Metals, Electrodes
© 1995 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1995
Association for Materials Protection and Performance (AMPP)
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