Zone Selective Interlocking

Name: Zone Selective Interlocking
Creator: Electrical Testing Reference
License: https://www.electricaltestingreference.com/license/

Review status: Unreviewed

First published: Not yet published
Last reviewed: Not yet reviewed
Last substantive change: 2026-10-13
Revision: None (entry assembled from data records)
Editor of record: Editor of record not yet appointed
Reviewing engineer: Not yet engineer-reviewed

Data records

Zone Selective Interlocking is specified for low-voltage ground-fault protection systems in acceptance testing at clause 7.14.B.8 of ANSI/NETA ATS-2025. Value: low-voltage ground-fault protection systems. Source: ANSI/NETA ATS-2025, clause 7.14.B.8. Verified 2026-10-13. Review status: Unreviewed. Provenance pending. Record tests.zone-selective-interlocking.equipment.relay.acceptance
Zone Selective Interlocking 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. Source: ANSI/NETA MTS-2023, clause 7.14.B. Verified 2026-10-13. Review status: Unreviewed. Provenance pending. Record tests.zone-selective-interlocking.equipment.relay.maintenance
Zone Selective Interlocking is addressed in ANSI/NETA ATS-2025. Source: ANSI/NETA ATS-2025, clause 7.14.B.8. Verified 2026-10-13. Review status: Unreviewed. Provenance pending. Record tests.zone-selective-interlocking.governed-by.ansi-neta-ats
Zone Selective Interlocking is addressed in ANSI/NETA MTS-2023. Source: ANSI/NETA MTS-2023, clause 7.14.B. Verified 2026-10-13. Review status: Unreviewed. Provenance pending. Record tests.zone-selective-interlocking.governed-by.ansi-neta-mts
The test method is named Zone Selective Interlocking. Value: Zone Selective Interlocking. Source: Electrical Testing Reference editorial taxonomy, 2026-10 edition. Verified 2026-10-13. Review status: Unreviewed. Provenance pending. Record tests.zone-selective-interlocking.title

Sources

ANSI/NETA ATS-2025, Acceptance Testing Specifications for Electrical Power Equipment and Systems, 2025 edition, NETA. Cited: clause 7.14.B.8. 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
Electrical Testing Reference editorial taxonomy, Electrical Testing Reference editorial taxonomy of test methods, 2026-10 edition, Electrical Testing Reference. Held as: Own observation.

Obtaining the documents

ANSI/NETA ATS-2025: publisher catalog or sales page
ANSI/NETA MTS-2023: publisher catalog or sales page

Changelog (5 entries)

Date	Change	Reason	By
2026-10-13	created (tests.zone-selective-interlocking.equipment.relay.acceptance)	seeded from the test taxonomy	agent
2026-10-13	created (tests.zone-selective-interlocking.equipment.relay.maintenance)	seeded from the test taxonomy	agent
2026-10-13	created (tests.zone-selective-interlocking.governed-by.ansi-neta-ats)	seeded from the test taxonomy	agent
2026-10-13	created (tests.zone-selective-interlocking.governed-by.ansi-neta-mts)	seeded from the test taxonomy	agent
2026-10-13	created (tests.zone-selective-interlocking.title)	seeded from the test taxonomy	agent

Cite this page

Cite the governing standard for the fact itself; cite this page as the finding aid.

Plain

"Zone Selective Interlocking." Electrical Testing Reference. 2026-10-13. https://www.electricaltestingreference.com/tests/zone-selective-interlocking/.

Legal (Bluebook, internet source)

Electrical Testing Reference, Zone Selective Interlocking (Oct. 13, 2026), https://www.electricaltestingreference.com/tests/zone-selective-interlocking/.

BibTeX

@misc{etr-tests-zone-selective-interlocking,
  title = {Zone Selective Interlocking},
  howpublished = {\url{https://www.electricaltestingreference.com/tests/zone-selective-interlocking/}},
  organization = {Electrical Testing Reference},
  publisher = {Electrical Testing Reference},
  year = {2026},
  note = {last substantive change 2026-10-13}
}

Wikipedia

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