{"schemaVersion":1,"slug":"iec-coaxial-plug-and-socket","name":"Coaxial plug and socket","kind":"symbol","abbreviation":"X","aliases":["coax connector","coaxial connector pair","RF connector"],"category":"connections-wiring","drawingTypes":["Schematic"],"referenceFamilies":["IEC"],"summary":"A plug and socket pair with concentric inner and outer contacts, used to connect coaxial cables to equipment.","description":["The coaxial plug and socket shows a connector that mates both the centre conductor and the outer conductor of a coaxial cable. In power and control systems it appears on GPS antenna inputs for time synchronisation, partial-discharge and RF sensors, and video or radio links.","The symbol does not tell you the connector series, impedance or gender convention, which vary between product families. A 50 ohm connector mated to a 75 ohm cable will work poorly, so the connector type should be stated. Outer conductor earthing through the connector body is often implicit and should be checked."],"readingNotes":["Read connector series and impedance in the annotation.","Check how the outer conductor is earthed at the equipment."],"drawingChecklist":["Name the connector series.","Match impedance to the cable.","Show outer conductor earthing where it matters."],"distinction":"A coaxial plug and socket mates concentric contacts; an ordinary plug and socket pair mates single pins.","facts":[{"label":"Graphic cue","value":"Pin and socket with a concentric outer contact outline"},{"label":"Must annotate","value":"Connector series and impedance"},{"label":"Preview","value":"Original educational illustration; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"pub-symbol-connectors","relevance":"Public IEC-oriented preview of plug and jack connector forms."},{"sourceId":"autodesk-index","relevance":"Public directory of IEC-oriented symbol families."}],"related":["iec-coaxial-cable","plug-and-socket-connector-pair","ansi-coaxial-connector"],"artwork":"s28-iec-coaxial-plug-and-socket","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Coaxial plug and socket","reference":"Independent IEC-context illustration; not certified IEC geometry.","counterpart":"plug-and-socket-connector-pair"},"plainEnglish":{"title":"What does Coaxial plug and socket mean?","introduction":"The coaxial plug and socket shows a connector that mates both the centre conductor and the outer conductor of a coaxial cable. In power and control systems it appears on GPS antenna inputs for time synchronisation, partial-discharge and RF sensors, and video or radio links.","example":"The symbol does not tell you the connector series, impedance or gender convention, which vary between product families. A 50 ohm connector mated to a 75 ohm cable will work poorly, so the connector type should be stated. Outer conductor earthing through the connector body is often implicit and should be checked.","drawings":"Read connector series and impedance in the annotation. Check how the outer conductor is earthed at the equipment. A coaxial plug and socket mates concentric contacts; an ordinary plug and socket pair mates single pins.","terms":[{"name":"Terminal","meaning":"An identified point where a conductor connects."},{"name":"Signal","meaning":"Electrical information passed between devices, rather than necessarily the main power supply."},{"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":"AutoCAD Electrical: Connectors","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7175D293-9F4C-485C-8E2D-DE684820D53B.htm"},{"label":"IEC-60617 symbol preview directory","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7871E6EF-24D5-467E-9B74-321FEDC9DFDA.htm"}],"detail":"A plug and socket pair with concentric inner and outer contacts, used to connect coaxial cables to equipment. A coaxial plug and socket mates concentric contacts; an ordinary plug and socket pair mates single pins.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-coaxial-plug-and-socket","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-coaxial-plug-and-socket.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-connectors","title":"AutoCAD Electrical: Connectors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7175D293-9F4C-485C-8E2D-DE684820D53B.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 IEC-oriented preview of plug and jack connector forms."},{"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 directory of IEC-oriented symbol families."}]}