ANSI/NETA ATS-2021 is the American National Standard for acceptance testing specifications for electrical power equipment and systems. This 270-page PDF provides structured requirements and guidance for testing organizations, owner responsibilities, safety precautions, test equipment suitability, reporting, power system studies, inspection and test procedures, commissioning-related checks, thermographic surveys, electromagnetic field testing, online partial discharge surveys, reference tables, definitions, and supporting appendices.
Designed for electrical testing firms, engineers, facility owners, commissioning teams, contractors, and maintenance professionals, the document supports consistent evaluation of newly installed or modified power equipment before energization. It covers a broad range of distribution equipment and systems, including switchgear, switchboards, transformers, cables, switches, circuit breakers, rotating machinery, protective devices, grounding systems, and related apparatus.
Application Scope: Intended for acceptance testing of electrical power distribution equipment and systems in commercial, industrial, institutional, governmental, and utility-related environments where qualified professionals need a consensus standard for inspection, electrical testing, documentation, and evaluation before equipment is placed into service.
