{"schemaVersion":1,"slug":"iec-multiple-socket-outlet","name":"Multiple socket outlet","kind":"symbol","abbreviation":"SOn","aliases":["multi-gang socket outlet","double or triple outlet plan mark","n-gang power point"],"category":"installation-communications","drawingTypes":["GA"],"referenceFamilies":["IEC"],"summary":"Plan mark for a group of socket outlets on one plate, shown by a gang number or stacked outlet strokes.","description":["A multiple socket outlet groups two, three or four outlets in one accessory or box. IEC-style plans usually draw a single outlet form with the number of outlets written beside it, or with short parallel strokes on the outlet, instead of drawing each outlet separately.","The number is important for take-off and for load estimates. A desk position shown as a 3-gang outlet with data outlets beside it is a common office pattern; the reader should count the gang number, not the symbol, when scheduling accessories.","The library already lists a duplex receptacle form from a schematic CAD family. This plan mark is the architectural counting form; it does not say whether each outlet is separately switched or whether they share one circuit."],"readingNotes":["Read the gang number; the symbol may look identical to a single outlet without it.","Check whether switches are integral to each gang."],"drawingChecklist":["Write the gang number on or beside the symbol.","State switching per gang if relevant.","Tag the circuit."],"distinction":"The duplex receptacle form in schematic libraries shows two outlets graphically; this plan mark counts outlets with a numeral.","facts":[{"label":"Count method","value":"Numeral beside the outlet form"},{"label":"Take-off note","value":"Count accessories by gang, not by symbol"},{"label":"Exact standard graphic","value":"Not reproduced here; confirm the form against IEC 60617 and the project legend"}],"references":[{"sourceId":"iec-diagrams","relevance":"IEC committee context for graphical symbols used in diagrams and installation documents; not a source of reproduced artwork."},{"sourceId":"iec-public-receptacles","relevance":"Public receptacle family in an IEC-oriented CAD library, useful for comparing schematic receptacle forms with plan marks."}],"related":["iec-duplex-power-receptacle","iec-socket-outlet-with-protective-contact","iec-floor-box-outlet"],"artwork":"s28-iec-multiple-socket-outlet","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Multiple socket outlet","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 Multiple socket outlet mean?","introduction":"A multiple socket outlet groups two, three or four outlets in one accessory or box. IEC-style plans usually draw a single outlet form with the number of outlets written beside it, or with short parallel strokes on the outlet, instead of drawing each outlet separately.","example":"The number is important for take-off and for load estimates. A desk position shown as a 3-gang outlet with data outlets beside it is a common office pattern; the reader should count the gang number, not the symbol, when scheduling accessories.","drawings":"The library already lists a duplex receptacle form from a schematic CAD family. This plan mark is the architectural counting form; it does not say whether each outlet is separately switched or whether they share one circuit.","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":"Autodesk IEC-60617 preview: Single and duplex power-receptacle forms","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7DAEDB03-74FC-47A2-9C50-9164297AA5A3.htm"}],"detail":"Plan mark for a group of socket outlets on one plate, shown by a gang number or stacked outlet strokes. The duplex receptacle form in schematic libraries shows two outlets graphically; this plan mark counts outlets with a numeral.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-multiple-socket-outlet","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-multiple-socket-outlet.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 committee context for graphical symbols used in diagrams and installation documents; not a source of reproduced artwork."},{"id":"iec-public-receptacles","title":"Autodesk IEC-60617 preview: Single and duplex power-receptacle forms","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7DAEDB03-74FC-47A2-9C50-9164297AA5A3.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":"Public receptacle family in an IEC-oriented CAD library, useful for comparing schematic receptacle forms with plan marks."}]}