{"schemaVersion":1,"slug":"iec-alternating-current-supply-qualifier","name":"Alternating-current supply qualifier","kind":"symbol","abbreviation":"Q020204","aliases":["Alternating-current supply qualifier symbol","Q020204","Alternating-current supply qualifier IEC reference"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"An alternating-current qualifier identifies the supply character of a represented circuit.","description":["An alternating-current qualifier identifies the supply character of a represented circuit.","Record frequency, phase count and voltage where required.","An AC qualifier alone does not identify the number of phases."],"readingNotes":["Record frequency, phase count and voltage where required.","An AC qualifier alone does not identify the number of phases."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Record frequency, phase count and voltage where required.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"An AC qualifier alone does not identify the number of phases.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q020204 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Record frequency, phase count and voltage where required."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"pub-symbol-windings","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["motor","generator"],"artwork":"edu-iec-alternating-current-supply-qualifier","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Alternating-current supply qualifier","reference":"Autodesk IEC-60617 Symbol Preview — Winding connection and supply-character qualifiers; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-alternating-current-supply-qualifier","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-alternating-current-supply-qualifier.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-symbol-windings","title":"AutoCAD Electrical: Winding arrangements and AC/DC indications","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-3F5A759D-872A-4990-8AAE-7CCAFBBBD4C5.htm","type":"cad-reference","scope":"Public vendor catalogue naming and functional variants. Vendor block names are not IEC identifiers. Linked for reference; no graphics or CAD files are redistributed.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}