{"schemaVersion":1,"slug":"iec-lighting-track","name":"Lighting track plan mark","kind":"symbol","abbreviation":"TRK","aliases":["track lighting","lighting busway","spotlight track"],"category":"installation-communications","drawingTypes":["GA"],"referenceFamilies":["IEC"],"summary":"Plan mark for a lighting track that carries adapters for movable luminaires, drawn as a double line.","description":["Lighting tracks are drawn as a double line or a line with regular cross ticks along the track run, with spotlights attached as separate symbols. The track is fed at one end or mid-point, and multi-circuit tracks allow luminaires to be assigned to different circuits.","The plan shows track length and feed point, which the installer needs to order sections and end caps. Multi-circuit tracks are tagged with the number of circuits. The track symbol does not show how many luminaires will be clipped on in use. Loading is planned from the schedule."],"readingNotes":["Find the feed point.","Read circuit count for multi-circuit track."],"drawingChecklist":["State track length.","State circuits.","Show feed point."],"distinction":"A linear luminaire emits light along its length; a track only carries adapters for separate luminaires.","facts":[{"label":"Graphic form","value":"Double line with ticks"},{"label":"Fed from","value":"End or centre feed point"},{"label":"Exact standard graphic","value":"Not reproduced here; confirm the form against IEC 60617 and the project legend"}],"references":[{"sourceId":"iec-diagrams","relevance":"IEC graphical symbol context for installation plans; independently drawn here."}],"related":["iec-spotlight-plan-mark","iec-fluorescent-luminaire"],"artwork":"s28-iec-lighting-track","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Lighting track","reference":"IEC 60617 installation-plan style (architectural and topographical installation symbols); independently drawn, not certified IEC geometry or a database identifier."},"plainEnglish":{"title":"What does Lighting track plan mark mean?","introduction":"Lighting tracks are drawn as a double line or a line with regular cross ticks along the track run, with spotlights attached as separate symbols. The track is fed at one end or mid-point, and multi-circuit tracks allow luminaires to be assigned to different circuits.","example":"The plan shows track length and feed point, which the installer needs to order sections and end caps. Multi-circuit tracks are tagged with the number of circuits. The track symbol does not show how many luminaires will be clipped on in use. Loading is planned from the schedule.","drawings":"Find the feed point. Read circuit count for multi-circuit track. A linear luminaire emits light along its length; a track only carries adapters for separate luminaires.","terms":[{"name":"Schematic","meaning":"A drawing showing function and connections rather than physical appearance."}],"diagram":"flow","steps":["Identify the device and form","Read the connections and state","Check the equipment reference"],"caption":"A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram.","sources":[{"label":"IEC graphical symbols for diagrams","url":"https://tc3.iec.ch/tc-activity/graphical-symbols-for-diagrams/"}],"detail":"Plan mark for a lighting track that carries adapters for movable luminaires, drawn as a double line. A linear luminaire emits light along its length; a track only carries adapters for separate luminaires.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-lighting-track","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-lighting-track.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-diagrams","title":"IEC graphical symbols for diagrams","publisher":"IEC","url":"https://tc3.iec.ch/tc-activity/graphical-symbols-for-diagrams/","type":"standard","scope":"IEC 60617 and related symbol-design publications. Full database access requires a subscription.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"IEC graphical symbol context for installation plans; independently drawn here."}]}