Insulation resistance
Updated 2026-10-13
Data records
- Insulation Resistance is specified for low-voltage ground-fault protection systems in acceptance testing at clause 7.14.B.2 of ANSI/NETA ATS-2025. Value: low-voltage ground-fault protection systems.
- Insulation Resistance is specified for low-voltage ground-fault protection systems in maintenance testing at clause 7.14.B of ANSI/NETA MTS-2023. Value: low-voltage ground-fault protection systems.
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 Motor Testing 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
- Dielectric withstand related entry on Circuit Breaker Reference
- Dielectric Withstand related entry on Electrical Testing Reference
- Dielectric withstand related entry on Motor Testing Reference
- Dielectric withstand related entry on Revenue Metering Reference
- Dielectric withstand related entry on Switchgear Testing Reference
- Dielectric withstand related entry on Transformer Testing Reference
- Insulation power factor dissipation factor related entry on Circuit Breaker Reference
- Insulation Power Factor Dissipation Factor related entry on Electrical Testing Reference
- Insulation power factor dissipation factor related entry on Motor Testing Reference
- Insulation power factor dissipation factor related entry on Revenue Metering Reference
- Insulation power factor dissipation factor related entry on Switchgear Testing Reference
- Insulation power factor dissipation factor related 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
- Vacuum interrupter integrity related entry on Circuit Breaker Reference
- Vacuum Interrupter Integrity related entry on Electrical Testing Reference
- Vacuum interrupter integrity related entry on Motor Testing Reference
- Vacuum interrupter integrity related entry on Switchgear Testing Reference
- Vacuum interrupter integrity 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
- Vacuum interrupter mac test related entry on Circuit Breaker Reference
- Vacuum Interrupter MAC Test related entry on Electrical Testing Reference
- Vacuum interrupter mac test related entry on Motor Testing Reference
- Vacuum interrupter mac test related entry on Switchgear Testing Reference
- Vacuum interrupter mac test 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 Recommended Practice for Testing Insulation Resistance of Electric Machinery related entry on Motor 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 7.14.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 7.14.B. 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 (2 entries)
| Date | Revision | Change |
|---|---|---|
| 2026-10-13 | created (tests.insulation-resistance.equipment.relay.acceptance) | |
| 2026-10-13 | created (tests.insulation-resistance.equipment.relay.maintenance) |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
"Insulation resistance." Protective Relay Reference. 2026-10-13. https://www.protectiverelayreference.com/tests/insulation-resistance/.
Protective Relay Reference, Insulation resistance (Oct. 13, 2026), https://www.protectiverelayreference.com/tests/insulation-resistance/.
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title = {Insulation resistance},
howpublished = {\url{https://www.protectiverelayreference.com/tests/insulation-resistance/}},
organization = {Protective Relay Reference},
publisher = {Protective Relay Reference},
year = {2026},
note = {last substantive change 2026-10-13}
}{{cite web |title=Insulation resistance |website=Protective Relay Reference |publisher=Protective Relay Reference |url=https://www.protectiverelayreference.com/tests/insulation-resistance/ |date=2026-10-13 |access-date=}}