Data record `std.iec-61557-1.revision-of`

Verified 2026-10-27 Confidence: High

IEC 61557-1:2019 cancels and replaces the second edition of 2007 and is described by the publisher as a technical revision. The publisher's list of significant changes covers terms aligned with the IEC electrotechnical vocabulary, a revised treatment of measurement uncertainty following the guide to the expression of uncertainty in measurement (GUM), updated references for safety, EMC, marking and operating instructions, and new annexes explaining the GUM and addressing environmental aspects.

Value: 2019

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.
Step	Item	Detail
Source	IEC 61557-1:2019	Publisher catalog
Data record	std.iec-61557-1.revision-of	Verified 2026-10-27
Entry	Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements	No revisions

Subject: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements (Standards)
Kind: Standard edition
Source: IEC 61557-1:2019, Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements, IEC. Publisher page

History

Every recorded change to this data record, oldest first.
Date	Change
2026-10-27	created
2026-10-27	revised
2026-10-27	review_status unreviewed -> software_reviewed

Cite this page

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

"Data record std.iec-61557-1.revision-of." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/std.iec-61557-1.revision-of/.

Test Instrument Reference, Data record std.iec-61557-1.revision-of (Oct. 27, 2026), https://www.testinstrumentreference.com/data/std.iec-61557-1.revision-of/.

@misc{etr-data-std-iec-61557-1-revision-of,
  title = {Data record std.iec-61557-1.revision-of},
  howpublished = {\url{https://www.testinstrumentreference.com/data/std.iec-61557-1.revision-of/}},
  organization = {Test Instrument Reference},
  publisher = {Test Instrument Reference},
  year = {2026},
  note = {last substantive change 2026-10-27}
}

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