{"schemaVersion":1,"slug":"iec-manual-call-point-plan-symbol","name":"Manual call point plan symbol","kind":"symbol","abbreviation":"MCP","aliases":["break glass call point","fire alarm call point","manual fire alarm button"],"category":"installation-communications","drawingTypes":["GA"],"referenceFamilies":["IEC"],"summary":"Fire alarm plan symbol for a manual call point that occupants operate to raise the alarm, placed at exits.","description":["Manual call points, often break-glass or resettable push units, are drawn as a square with a filled or crossed inner square, or a circle with a dot, at their wall position. They are placed at storey exits and exits to open air so a person leaving can raise the alarm.","Mounting height and travel distance to the nearest call point are set by the fire code. The plan allows inspectors to check these quickly.","The symbol does not show whether the unit is resettable or break-glass, or whether it has a protective cover. The schedule states this."],"readingNotes":["Check positions at each exit.","Check travel distance coverage."],"drawingChecklist":["Tag loop and address.","State unit type and cover.","Give mounting height."],"distinction":"A bell push or assistance call button looks similar on a plan; the call point belongs to the fire alarm system.","facts":[{"label":"Placement","value":"Storey exits and final exits"},{"label":"Operation","value":"Break-glass or resettable element"},{"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."},{"sourceId":"pub-object-engineering-design","relevance":"Installation design context: life-safety systems are coordinated with the building electrical design."}],"related":["iec-fire-alarm-sounder-plan-symbol","ansi-manual-fire-alarm-station","iec-push-button-plan-mark"],"artwork":"s28-iec-manual-call-point-plan-symbol","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Manual call point","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 Manual call point plan mean?","introduction":"Manual call points, often break-glass or resettable push units, are drawn as a square with a filled or crossed inner square, or a circle with a dot, at their wall position. They are placed at storey exits and exits to open air so a person leaving can raise the alarm.","example":"Mounting height and travel distance to the nearest call point are set by the fire code. The plan allows inspectors to check these quickly.","drawings":"The symbol does not show whether the unit is resettable or break-glass, or whether it has a protective cover. The schedule states this.","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/"},{"label":"Electrical installation design methodology and references","url":"https://www.electrical-installation.org/enwiki/General_rules_of_electrical_installation_design"}],"detail":"Fire alarm plan symbol for a manual call point that occupants operate to raise the alarm, placed at exits. A bell push or assistance call button looks similar on a plan; the call point belongs to the fire alarm system.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-manual-call-point-plan-symbol","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-manual-call-point-plan-symbol.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."},{"id":"pub-object-engineering-design","title":"Electrical installation design methodology and references","publisher":"Schneider Electric — Electrical Installation Guide","url":"https://www.electrical-installation.org/enwiki/General_rules_of_electrical_installation_design","type":"manufacturer","scope":"Public design context. No universal working clearance, equipment dimension or project compliance conclusion is asserted.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Installation design context: life-safety systems are coordinated with the building electrical design."}]}