Defined term
Nominal operating voltage
Nominal operating voltage is an editorial compound label used here to discuss Rule 21's defined term Nominal; it is not itself a defined Rule 21 tariff term.
grid · Concept code GS-CONCEPT-189 · Last verified September 29, 2026
Evidence through 2025-07-09 · 0 sources have no source-event date
Content modified 2026-09-29
Definition and decision context
Why it matters
Rule 21's VRef vocabulary is tariff-specific and does not promise an actual service voltage for a particular home, facility, or operating condition.
Review confirmed · Review due October 29, 2026
The previous review deadline was September 27, 2026. The missed interval remains unverified; the current review does not establish historical coverage.
The cited evidence supports this statement within the source’s stated scope. Its jurisdiction and source-event date limit its applicability to a particular project.
Applicable jurisdiction: US-CA
Verified September 29, 2026
Definition
Nominal operating voltage is an editorial compound label used here to discuss Rule 21's defined term Nominal; it is not itself a defined Rule 21 tariff term.
Review confirmed · Review due October 29, 2026
The previous review deadline was September 27, 2026. The missed interval remains unverified; the current review does not establish historical coverage.
The cited evidence supports this statement within the source’s stated scope. Its jurisdiction and source-event date limit its applicability to a particular project.
Applicable jurisdiction: US-CA
Verified September 29, 2026
Selector-derived public graph
Learning navigation
Primary topic: Grid
Broader topic
No public concepts recorded.
More specific topics
No public concepts recorded.
Related topics
No public concepts recorded.
Learn first
No public concepts recorded.
Builds toward
No public concepts recorded.
Primary sources
- San Diego Gas & Electric: SDG&E Electric Rule 21 § C Definitions — VRef; printed tariff Sheet 24; PDF page 23; Cal. P.U.C. Sheet No. 63008-E; Advice Letter 4506-E; effective 2025-07-09
Revision tariff Sheet24, Cal.PUC63008-E, AL4506-E, submitted2025-05-30, effective2025-07-09 · Source event as of July 9, 2025 · Ontology accessed September 29, 2026 · Ontology verified September 29, 2026
- San Diego Gas & Electric: SDG&E Electric Rule 21 § C Definitions — Nominal; printed tariff Sheet 20; PDF page 19; Cal. P.U.C. Sheet No. 36511-E; Advice Letter 4032-E; effective 2023-08-29
Revision tariff Sheet20, Cal.PUC36511-E, AL4032-E, submitted2022-07-01, effective2023-08-29 · Source event as of August 29, 2023 · Ontology accessed September 29, 2026 · Ontology verified September 29, 2026