This mobile application was developed by the IUOE National Training Fund (IUOE NTF).

Funding was provided by the National Institute of Environmental Health Sciences of the National Institutes of Health under Award Number UH4ES009763.

The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

Important Notices and Disclaimers

Publication of this mobile app is for the purpose of circulating information and opinion among those concerned with arc hazards and related subjects. While every effort has been made to achieve a work of high quality, neither the International Union of Operating Engineers National Training Fund (IUOE NTF) nor the contributors to this mobile app guarantee or warrantee the accuracy or completeness of or assume any liability in connection with the information and opinions contained herein.

The IUOE NTF and the contributors shall in no event be liable for any personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance upon this mobile app. This information is provided with the understanding that the IUOE NTF and the contributors are supplying educational content and opinion but are not attempting to render engineering or other professional services. If such services are required, the assistance of an appropriate professional should be sought.

Information provided here is based on the National Fire Protection Association’s 2018 edition of NFPA 70E: Standard for Electrical Safety in the Workplace and was current as of February 2018. The commentary and supplementary materials in this mobile app are not a part of the NFPA standard and do not constitute Formal Interpretations of the NFPA. The commentary and supplementary materials, therefore, solely reflect the personal opinions of the editor or other contributors and do not necessarily represent the official position of the IUOE NTF or the NFPA.

Note that standards may be amended or replaced from time to time. The user is advised to refer to the latest published materials available from OSHA or the NFPA.