Defined term
Photovoltaic output circuit
NFPA's 2018 revision defines a PV output circuit as DC conductors between PV source circuits and an inverter or DC utilization equipment.
technology · Concept code GS-CONCEPT-110 · Last verified August 28, 2026
Evidence through 2018-01-17T18:20:49Z · 0 sources have no source-event date
Content modified 2026-08-28
Definition and decision context
Definition
NFPA's 2018 revision defines a PV output circuit as DC conductors between PV source circuits and an inverter or DC utilization equipment.
Verified August 28, 2026
Why it matters
NFPA says the PV output-circuit definition excludes loads, feeders, and branch circuits that are not part of a PV system.
Verified August 28, 2026
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Learning navigation
Primary topic: Equipment
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Primary sources
- National Fire Protection Association: First Revision No. 8559 — Definition: Photovoltaic Output Circuit
Revision First Revision No. 8559-NFPA 70-2018 · Source event as of January 17, 2018 · Ontology accessed August 28, 2026 · Ontology verified August 28, 2026