{"schemaVersion":1,"slug":"iec-coaxial-cable-with-earthed-outer-conductor","name":"Coaxial cable with earthed outer conductor","kind":"symbol","abbreviation":"W","aliases":["grounded coax shield","coax with earthed braid","earthed coaxial outer"],"category":"connections-wiring","drawingTypes":["Schematic"],"referenceFamilies":["IEC"],"summary":"A coaxial cable whose outer conductor is drawn connected to earth, recording the reference point of the RF or signal return.","description":["This form adds an earth connection to the outer conductor of a coaxial cable. On antenna systems the outer conductor is normally bonded to the building earth where it enters, often through a lightning arrester or earthing kit, and the drawing should show that bonding explicitly.","The earth mark on the outer conductor is not a statement that the inner conductor is protected from surges. Surge protection devices on the inner conductor are separate symbols. Reading the earth location also tells you whether the coax forms an earth loop between two buildings, which matters for interference and safety."],"readingNotes":["Locate the entry point bonding for antenna coax.","Check for earth loops where both ends of the outer conductor are earthed in separate buildings."],"drawingChecklist":["Show where the outer conductor is bonded to earth.","Identify any coaxial surge protection device separately.","Reference the earthing conductor size for entry bonding."],"distinction":"Earthing the outer conductor sets its reference; it is not the same as a coaxial surge protector, which clamps the inner conductor.","facts":[{"label":"Graphic cue","value":"Coaxial outline with earth symbol connected to the outer conductor"},{"label":"Typical use","value":"Antenna entry bonding and RF earthing"},{"label":"Preview","value":"Original educational illustration; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"autodesk-index","relevance":"Public directory of IEC-oriented symbol families."},{"sourceId":"pub-symbol-earthing-surge","relevance":"Public IEC-oriented earth forms used on the outer conductor."}],"related":["iec-coaxial-cable","earth-connection","surge-arrester"],"artwork":"s28-iec-coaxial-cable-with-earthed-outer-conductor","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Coaxial pair with earthed outer conductor","reference":"Independent IEC-context combination of coaxial and earth forms; not certified IEC geometry."},"plainEnglish":{"title":"What does Coaxial cable with earthed outer conductor mean?","introduction":"This form adds an earth connection to the outer conductor of a coaxial cable. On antenna systems the outer conductor is normally bonded to the building earth where it enters, often through a lightning arrester or earthing kit, and the drawing should show that bonding explicitly.","example":"The earth mark on the outer conductor is not a statement that the inner conductor is protected from surges. Surge protection devices on the inner conductor are separate symbols. Reading the earth location also tells you whether the coax forms an earth loop between two buildings, which matters for interference and safety.","drawings":"Locate the entry point bonding for antenna coax. Check for earth loops where both ends of the outer conductor are earthed in separate buildings. Earthing the outer conductor sets its reference; it is not the same as a coaxial surge protector, which clamps the inner conductor.","terms":[{"name":"Terminal","meaning":"An identified point where a conductor connects."},{"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-60617 symbol preview directory","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-7871E6EF-24D5-467E-9B74-321FEDC9DFDA.htm"},{"label":"AutoCAD Electrical: Earthing, sources and surge protection","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-1E3FDEAE-B4B2-417C-8075-108AA2C6E509.htm"}],"detail":"A coaxial cable whose outer conductor is drawn connected to earth, recording the reference point of the RF or signal return. Earthing the outer conductor sets its reference; it is not the same as a coaxial surge protector, which clamps the inner conductor.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/iec-coaxial-cable-with-earthed-outer-conductor","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/iec-coaxial-cable-with-earthed-outer-conductor.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"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."},{"id":"pub-symbol-earthing-surge","title":"AutoCAD Electrical: Earthing, sources and surge protection","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-1E3FDEAE-B4B2-417C-8075-108AA2C6E509.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 earth forms used on the outer conductor."}]}