Electrical Testing Reference

Data record tests.insulation-resistance.ieeec57-12-90.scope

Verified 2026-10-24 Confidence: High

Clause 10.11 of IEEE C57.12.90-2021 makes insulation resistance a test performed when specified, measured from each winding to ground and between windings, and reported in megohms or calculated from the applied voltage and the leakage current.

ProvenanceIEEE C57.12.90-2021 supports data record tests.insulation-resistance.ieeec57-12-90.scope, which is cited on the entry Insulation Resistance.SOURCEIEEE C57.12.90-2021IEEE C57.12.90-2021Licensed standard, clause 10.11DATA RECORDtests.insulation-resistance.ieeec57-12-90.scopetests.insulation-resista..Verified 2026-10-24ENTRYInsulation ResistanceInsulation Resistance1 revision
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StepItemDetail
SourceIEEE C57.12.90-2021Licensed standard, clause 10.11
Data recordtests.insulation-resistance.ieeec57-12-90.scopeVerified 2026-10-24
EntryInsulation Resistance1 revision
Subject
Insulation Resistance (Test methods)
Kind
Method fact
Source
IEEE C57.12.90-2021, clause 10.11, Test Code for Liquid-Immersed Distribution, Power and Regulating Transformers, IEEE.

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-24created
2026-10-24revised
2026-10-24review_status unreviewed -> software_reviewed

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"Data record tests.insulation-resistance.ieeec57-12-90.scope." Electrical Testing Reference. 2026-10-24. https://www.electricaltestingreference.com/data/tests.insulation-resistance.ieeec57-12-90.scope/.