In this Section, the Utility adopts by reference all or portions of regulations and standards identified below:
- The National Electrical Code (NEC) is published by the National Fire Protection Association (NFPA). (Version 2012 adopted; National Fire Protection Association website)
- National Electric Safety Code (NESC). (Version 2012 adopted; IEEE Standards Association website)
- Institute of Electrical and Electronics Engineers (IEEE) Standard 1547, Interconnecting Distributed Resources with Electric Power Systems. (Version 2012 adopted; IEEE Standards Association website)
- American National Standards Institute (ANSI) Standard C37.90, IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus. (Most recent version adopted; IEEE Standards Association website)
- Institute of Electrical and Electronics Engineers (IEEE) Standard 519, Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems. (Most recent version adopted; IEEE Standards Association website)
- Underwriters Laboratories (UL), including UL Standard 1741, Inverters, Converters, and Controllers for Use in Independent Power Systems. (Most recent version adopted; UL Solutions website)
- Occupational Safety and Health Administration (OSHA) Standard at 29 CFR 1910.269.(Most recent version adopted; U.S Government Bookstore website)
- Washington Division of Occupational Safety and Health (DOSH) Standard, Section 296155 WAC. (Most recent version adopted; Washington State Department of Labor & Industries website)
- American National Standards Institute (ANSI)/Institute of Electrical and Electronics Engineers (IEEE) Standard C62.92, Application of neutral grounding in electrical Utility systems. (Version 2000 adopted; IEEE Standards Association website)
- Institute of Electrical and Electronics Engineers (IEEE) Standard 1453, Practice for Measurement and Limits of Voltage Fluctuations and Associated Light Flicker on AC Power Systems (Version 2008 adopted; IEEE Standards Association website)