{"schemaVersion":1,"slug":"iec-presumed-fault-location-indication","name":"Presumed-fault-location indication","kind":"symbol","abbreviation":"Q021701","aliases":["Presumed-fault-location indication symbol","Q021701","Presumed-fault-location indication IEC reference"],"category":"measurement-protection","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This indication marks the presumed location of a fault or failure in a diagnostic diagram.","description":["This indication marks the presumed location of a fault or failure in a diagnostic diagram.","State the evidence and uncertainty associated with the marked location.","A presumed fault location is not the same as a confirmed equipment defect."],"readingNotes":["State the evidence and uncertainty associated with the marked location.","A presumed fault location is not the same as a confirmed equipment defect."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","State the evidence and uncertainty associated with the marked location.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"A presumed fault location is not the same as a confirmed equipment defect.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q021701 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"State the evidence and uncertainty associated with the marked location."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-fault","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["current-transformer","voltage-transformer"],"artwork":"edu-iec-presumed-fault-location-indication","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Presumed-fault-location indication","reference":"Autodesk IEC-60617 Symbol Preview — Fault-location and insulation-failure indications; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-presumed-fault-location-indication","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-presumed-fault-location-indication.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-public-fault","title":"Autodesk IEC-60617 preview: Fault-location and insulation-failure indications","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-2FA15F09-EF4C-4996-AB3C-FAD4E8A29DBA.htm","type":"cad-reference","scope":"Public publisher IEC-context family names and vendor block references. No vendor images or CAD library files are reproduced, and vendor tokens are not presented as verified IEC database identifiers.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}