NEMA Standards Publication ANSI C80.1-2020 Electrical Rigid Steel Conduit (ERSC) National Electrical Manufacturers Association ANSI ANSI C80.1-2020 Approved as an American National Standard ANSI Approval Date: December 29, 2020 American National Standard for Electrical Rigid Steel Conduit (ERSC) Secretariat: National Electrical Manufacturers Association Approved: December 29, 2020 American National Standards Institute, Inc. NOTICEANDDISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the developmentofthisdocument. NEMA Standards and guideline publications, of which the document contained herein is one, are volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. While NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the document and it does not independently test, evaluate. in its Standards and guideline publications. publication, use of, application, or reliance on this document. NEMA disclaims and makes no guaranty or warranty, express or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. NEMA does not undertake to guarantee the performance of any individual manufacturer or seller's products or services by virtue of this Standard or guide. In publishing and making this document available, NEMA is not undertaking to render professional or other services for or on behalf of any person or entity, nor is NEMA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgmentor,as appropriate,seek the advice ofa competent professional indeterminingthe additional views or information not covered by this publication. NEMA has no power, nor does it undertake to police or enforce compliance with the contents of this purposes. Any certification or other statement of compliance with any health- or safety-related information in this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker ofthestatement. @2021NationalElectricalManufacturersAssociation ANSI C80.1-2020 Pagei AMERICAN Approval of an American National Standard requires verification by ANsl that the requirements for due process, ，consensus, and other NATIONAL STANDARD Consensus is established when, in the judgment of the ANSI Board of directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. existence does not in any respect preclude anyone, whether he has approved the Standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the Standards. The American National Standards Institute does not develop Standard in the name of the American National Standards Institute. Requestsforinterpretationsshouldbe addressed tothe secretariat or sponsor whose name appears on the title page of this Standard. withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm. revise, or withdraw this Standard. Purchasers of American National Street, 4th floor, New York, NY 10036, Tel: 212.642.4900. Published by National Electrical Manufacturers Association 1300 North 17th Street, Rosslyn, VA 22209 www.nema.org @ 2021 Nationai Eiectricai Manufacturers Association. Ai rignts reserved inciuding transiation i