The ideal maintenance program is reliability-based, unique to each plant and to each piece of equipment. NETA offers the Frequency of Maintenance Tests as a free download, for use as an assistive reference. The Frequency of Maintenance Tests – Appendix B is included in the ANSI/NETA MTS-2019 Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems. Contact a NETA Accredited Company for a reliability-based evaluation.