ANSI/NETA 2019 Standard for Maintenance Testing Specifications

Specifies field tests and inspections used to assess the suitability for continued service and reliability of electrical power equipment and systems.

Equipment Addressed Includes:
· Switchgear
· Transformers
· Cables
· Switches
· Circuit Breakers
· Protective Relays
· Rotating Machinery
· Motors
· Batteries
· Capacitors and Reactors
· Protective Relays
· Instrument Transformers

2019 Revisions Include:
· Online Partial Discharge Survey for Switchgear
· Frequency of Power Systems Studies
· Frequency of Maintenance Matrix
· New Table 100.4.5 Suggested Limits for Continued Use of In-Service Natural Ester Liquids
· New Table 100.6.4.DAC Test Voltage Levels (20 Hz to 500 Hz) as used for Maintenance Testing (50 DAC excitations) of Repaired or Refurbished Power Cables
· New Tables 100.23 Online Partial Discharge Survey for Switchgear

2015 Revisions Include:
· New numbering system for more accurate referencing
· Protective relays
· Instrument transformers
· Rotating Machinery
· New Table 100.11 Insulation Resistance Test Values for Rotating Machinery for One Minute at 40C
· Revised Table 100.1 Insulation Resistance Test Values, Electrical Apparatus and Systems Other Than Rotating Machinery
· Updated references to industry standards