Electrical Maintenance Reference

Data record equip.liquid-filled-transformers.nfpa70b.table-9-3-2.visual-inspection

Verified 2026-10-27 Confidence: High

Table 9.3.2 of NFPA 70B-2026 sets a maximum interval for visual inspection of power and distribution transformers; the figure depends on the equipment condition assessed under clause 9.2, and the three condition columns are given in the datum value.

Value: 12 / 12 / 6 months (condition 1 / 2 / 3)

ProvenanceNFPA 70B-2026 supports data record equip.liquid-filled-transformers.nfpa70b.table-9-3-2.visual-inspection, which is cited on the entry Liquid filled transformers.SOURCENFPA 70B-2026NFPA 70B-2026Licensed standard, clause Table 9.3.2DATA RECORDequip.liquid-filled-transformers.nfpa70b.table-9-3-2.visual-inspectionequip.liquid-filled-tran..Verified 2026-10-27ENTRYLiquid filled transformersLiquid filled transformersNo revisions
Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.
Provenance: the chain from source to entry.
StepItemDetail
SourceNFPA 70B-2026Licensed standard, clause Table 9.3.2
Data recordequip.liquid-filled-transformers.nfpa70b.table-9-3-2.visual-inspectionVerified 2026-10-27
EntryLiquid filled transformersNo revisions
Subject
Liquid filled transformers (Equipment classes)
Kind
Value in context
Source
NFPA 70B-2026, clause Table 9.3.2, Standard for Electrical Equipment Maintenance, NFPA. Publisher page

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-27created

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

"Data record equip.liquid-filled-transformers.nfpa70b.table-9-3-2.visual-inspection." Electrical Maintenance Reference. 2026-10-27. https://www.electricalmaintenancereference.com/data/equip.liquid-filled-transformers.nfpa70b.table-9-3-2.visual-inspection/.