Data record `std.ieee-1584.structure.arc-duration`

Verified 2026-10-24 Confidence: High

Clause 6.9.1 of IEEE 1584-2018 takes the arc duration to run until the last energizing source stops feeding the arc. Ground-fault relays normally receive no credit, definite-time devices such as differential, optical arc-flash and pressure relays are credited at their operating time, every intervening delay counts, and where a time-current curve shows a band the reading is the longest time on the band at the calculated current, taken at both the arcing current and the reduced arcing current.

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	IEEE 1584-2018	Licensed standard, clause 6.9.1
Data record	std.ieee-1584.structure.arc-duration	Verified 2026-10-24
Entry	IEEE Guide for Performing Arc-Flash Hazard Calculations	No revisions

Subject: IEEE Guide for Performing Arc-Flash Hazard Calculations (Standards)
Kind: Standard scope
Source: IEEE 1584-2018, clause 6.9.1, Guide for Performing Arc-Flash Hazard Calculations, IEEE.

History

Every recorded change to this data record, oldest first.
Date	Change
2026-10-24	created
2026-10-24	revised
2026-10-24	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.ieee-1584.structure.arc-duration." Arc Flash Reference. 2026-10-24. https://www.arcflashreference.com/data/std.ieee-1584.structure.arc-duration/.

Arc Flash Reference, Data record std.ieee-1584.structure.arc-duration (Oct. 24, 2026), https://www.arcflashreference.com/data/std.ieee-1584.structure.arc-duration/.

@misc{etr-data-std-ieee-1584-structure-arc-duration,
  title = {Data record std.ieee-1584.structure.arc-duration},
  howpublished = {\url{https://www.arcflashreference.com/data/std.ieee-1584.structure.arc-duration/}},
  organization = {Arc Flash Reference},
  publisher = {Arc Flash Reference},
  year = {2026},
  note = {last substantive change 2026-10-24}
}

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