ANSI/NETA MTS-2019 is the American National Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems, published by the InterNational Electrical Testing Association. This PDF standard supports professionals responsible for maintaining existing electrical systems by defining inspection and maintenance testing requirements intended to help verify safe, reliable operation and identify potential problem areas before they create safety or service issues.
The document includes sections on scope, references, qualifications, division of responsibility, general requirements, power system studies, inspection and test procedures, system function testing, thermographic surveys, electromagnetic field surveys, online partial-discharge surveys for switchgear, reference tables, and informational appendices. It is intended for electrical testing organizations, engineers, facility maintenance teams, consultants, and other professionals involved with commercial, industrial, governmental, and larger electrical power systems.
Application Scope: Applies to maintenance testing specifications for existing electrical power distribution equipment and systems, including inspection, visual and mechanical checks, electrical tests, test values, maintenance frequency guidance, and power system study update guidance for qualified electrical testing and maintenance professionals.
