{"schemaVersion":1,"slug":"led-indicator-lamp","name":"LED indicator lamp","kind":"symbol","abbreviation":"LAMP LED","aliases":["HLT1H25","VLT1H25"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"An LED indicator assembly provides a documented visual signal using a semiconductor light source.","description":["An LED indicator assembly provides a documented visual signal using a semiconductor light source. Its rated supply, polarity where applicable and indication meaning must be specified."],"readingNotes":["Differentiate the complete indicator assembly from a bare LED component.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State assembly voltage","Name indicated condition","Reference polarity/terminals"],"distinction":"A rated panel LED indicator may contain internal circuitry beyond a bare light-emitting diode.","facts":[{"label":"Drawing role","value":"Visual signal"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HLT1H25, VLT1H25 (Autodesk identifiers; not IEC symbol numbers)"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"pub-symbol-led-lights","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["indicator-lamp","relay-coil"],"artwork":"edu-led-indicator-lamp","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/led-indicator-lamp","illustration":{"url":"https://eloragrid.ai/library/illustrations/led-indicator-lamp.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-led-lights","title":"AutoCAD Electrical: LED lamps","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-B4FB8955-5135-4123-A293-11530B9D25EC.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":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}