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 August 28, 2026
Evidence through 2025-07-09 · 0 sources have no source-event date
Content modified 2026-08-28
Definition and decision context
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.
Applicable jurisdiction: US-CA
Verified August 28, 2026
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.
Applicable jurisdiction: US-CA
Verified August 28, 2026
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Primary topic: Grid
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Primary sources
- San Diego Gas & Electric: SDG&E Electric Rule 21 § C Definitions — Nominal, Sheet 20, Advice Letter 36511-E/4032-E, effective 2023-08-29
Revision SDG&E Rule 21 Advice Letter 365xx-E/4032-E; effective 2023-08-29 · Source event as of August 29, 2023 · Ontology accessed August 28, 2026 · Ontology verified August 28, 2026
- San Diego Gas & Electric: SDG&E Electric Rule 21 § C Definitions — VRef, Sheet 24, Advice Letter 63008-E/4506-E, effective 2025-07-09
Revision SDG&E Rule 21 Advice Letter 63008-E/4506-E; effective 2025-07-09 · Source event as of July 9, 2025 · Ontology accessed August 28, 2026 · Ontology verified August 28, 2026