Insulation resistance
Updated 2026-10-13
| Relationship | Entry |
|---|---|
| Governing standard | IEEE 43-2013 (IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery) |
Data records
- Insulation Resistance is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.B.1 of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.
- Insulation Resistance is specified for engine-generator emergency systems in maintenance testing at clause 7.22.1.B.1 of ANSI/NETA MTS-2023. Value: engine-generator emergency systems.
- Insulation Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.2 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
- Insulation Resistance is specified for AC induction motors and generators in maintenance testing at clause 7.15.1.B.2 of ANSI/NETA MTS-2023. Value: AC induction motors and generators.
Elsewhere in the family
- Insulation resistance more on this entry on Circuit Breaker Reference
- Insulation Resistance more on this entry on Electrical Testing Reference
- Insulation resistance more on this entry on Protective Relay Reference
- Insulation resistance more on this entry on Revenue Metering Reference
- Insulation resistance more on this entry on Switchgear Testing Reference
- Insulation resistance more on this entry on Transformer Testing Reference
- Bushing power factor and capacitance related entry on Circuit Breaker Reference
- Bushing Power Factor and Capacitance related entry on Electrical Testing Reference
- Bushing power factor and capacitance related entry on Transformer Testing Reference
- Partial Discharge Online related entry on Electrical Testing Reference
- Partial discharge online related entry on Switchgear Testing Reference
- Partial discharge online related entry on Transformer Testing Reference
- ANSI/NETA ATS-2025 Standard for Acceptance Testing Specifications related entry on Electrical Testing Reference
- ANSI/NETA MTS-2023 Standard for Maintenance Testing Specifications related entry on Electrical Testing Reference
- IEEE Guide for Field Testing of Relaying Current Transformers related entry on Revenue Metering Reference
- IEEE/IEC International Standard: Power transformers, Part 21: Standard requirements, terminology, and test code for step-voltage regulators related entry on Transformer Testing Reference
- IEEE Standard Practices and Requirements for Semiconductor Power Rectifier Transformers related entry on Transformer Testing Reference
- IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers related entry on Transformer Testing Reference
Sources
- ANSI/NETA ATS-2025, Acceptance Testing Specifications for Electrical Power Equipment and Systems, 2025 edition, NETA. Cited: clause 7.22.1.B.1; clause 7.15.1.B.2. Held as: Purchased single-user copy. Publisher page
- ANSI/NETA MTS-2023, Maintenance Testing Specifications for Electrical Power Equipment and Systems, 2023 edition, NETA. Cited: clause 7.22.1.B.1; clause 7.15.1.B.2. Held as: Purchased single-user copy. Publisher page
Obtaining the documents
- ANSI/NETA ATS-2025: publisher catalog or sales page
- ANSI/NETA MTS-2023: publisher catalog or sales page
Changelog (4 entries)
| Date | Revision | Change |
|---|---|---|
| 2026-10-13 | created (tests.insulation-resistance.equipment.generator.acceptance) | |
| 2026-10-13 | created (tests.insulation-resistance.equipment.generator.maintenance) | |
| 2026-10-13 | created (tests.insulation-resistance.equipment.motor.acceptance) | |
| 2026-10-13 | created (tests.insulation-resistance.equipment.motor.maintenance) |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
"Insulation resistance." Motor Testing Reference. 2026-10-13. https://www.motortestingreference.com/tests/insulation-resistance/.
Motor Testing Reference, Insulation resistance (Oct. 13, 2026), https://www.motortestingreference.com/tests/insulation-resistance/.
@misc{etr-tests-insulation-resistance,
title = {Insulation resistance},
howpublished = {\url{https://www.motortestingreference.com/tests/insulation-resistance/}},
organization = {Motor Testing Reference},
publisher = {Motor Testing Reference},
year = {2026},
note = {last substantive change 2026-10-13}
}{{cite web |title=Insulation resistance |website=Motor Testing Reference |publisher=Motor Testing Reference |url=https://www.motortestingreference.com/tests/insulation-resistance/ |date=2026-10-13 |access-date=}}