{"schemaVersion":1,"slug":"indicator-lamp","name":"Indicator lamp","kind":"symbol","abbreviation":"Lamp","aliases":["pilot light","indicating light","status lamp"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","IEEE / ANSI"],"summary":"A visual indicator associated with a documented control or equipment condition.","description":["An indicator lamp shows an operating condition defined by its circuit and label. The generic representation identifies an indicating element; it does not define what illumination means, the supply voltage or whether the device is continuously lit or flashing.","A schematic should explain the condition driving the indication. The front-panel description should match the electrical label, so a reviewer can follow the indication from operator interface to contact, relay or controller output."],"readingNotes":["Read the text describing the indicated condition.","Follow the circuit supplying the lamp and identify any flashing or test function."],"drawingChecklist":["Record the indication label.","Reference the supply and device type.","Align schematic identification with the panel layout."],"distinction":"An indication mark does not establish that equipment is safe, isolated or de-energised. Its meaning comes from the full circuit and operating documentation.","facts":[{"label":"Purpose","value":"Visual indication"},{"label":"Meaning","value":"Defined by label and control circuit"},{"label":"Electrical characteristics","value":"Device-specific"}],"references":[{"sourceId":"autodesk-lamps","relevance":"Public pilot-light and indication categories."},{"sourceId":"autodesk-index","relevance":"Public lighting and indication drawing categories."}],"related":["normally-open-contact","relay-coil","plc-io","control-cabinet"],"artwork":"lamp","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/indicator-lamp","illustration":{"url":"https://eloragrid.ai/library/illustrations/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":"autodesk-lamps","title":"Pilot lights: public symbol reference","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-BBCEBBBA-24AD-4D3A-B106-39550AAACA6C.htm","type":"cad-reference","scope":"Pilot-light and indication variants. A symbol alone does not establish the indicated operating condition.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public pilot-light and indication categories."},{"id":"autodesk-index","title":"IEC-60617 symbol preview directory","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7871E6EF-24D5-467E-9B74-321FEDC9DFDA.htm","type":"cad-reference","scope":"Public reference directory of named symbol categories. Vendor graphics and CAD library files are not redistributed here.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public lighting and indication drawing categories."}]}