{"schemaVersion":1,"slug":"ansi-crossing-conductor-hop","name":"ANSI/IEEE crossing conductor hop symbol","kind":"symbol","abbreviation":"-","aliases":["wire crossover loop","jump-over crossing","IEEE crossing not connected"],"category":"connections-wiring","drawingTypes":["Schematic"],"referenceFamilies":["IEEE / ANSI"],"summary":"IEEE-oriented hop or loop drawn where one conductor passes over another without connecting.","description":["Older ANSI-style schematics often draw a small semicircular hop where one conductor crosses another, removing any doubt that the two are unconnected. Many CAD packages offer the hop, a gap or a plain crossing as display options, and the choice is set per drawing set.","The hop carries no physical meaning; it is a reading aid. This illustration is an independent explanation of the convention rather than a reproduction of the IEEE graphic. Where a drawing set mixes hops and plain crossings, check the legend rather than assuming that plain crossings are connected."],"readingNotes":["Treat the hop as no connection.","Check whether the drawing set also uses plain crossings."],"drawingChecklist":["Use one crossing display style per drawing set.","Never place a junction dot on a hop.","State the crossing convention in the legend."],"distinction":"A hop is an unconnected crossing; a junction dot is a connection.","facts":[{"label":"Convention evidence","value":"Wire crossing loop display in AutoCAD Electrical public guidance"},{"label":"Standards context","value":"IEEE/ANSI 315-1975 covers diagram graphics; IEEE lists this edition as Inactive-Reserved."},{"label":"Preview","value":"Original educational illustration; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-wire-connections","relevance":"Public guidance on crossing gaps and loops."},{"sourceId":"ieee-315","relevance":"Graphic-symbol standards context and official status; not a source of reproduced artwork."}],"related":["iec-unconnected-conductor-crossing","ansi-conductor-junction","iec-conductor-interchange"],"artwork":"s28-ansi-crossing-conductor-hop","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"Crossing hop form","reference":"Drawn from the publisher's wire crossing display guidance and IEEE drafting context; no equivalence of every detailed standard graphic is asserted.","counterpart":"iec-unconnected-conductor-crossing"},"plainEnglish":{"title":"What does ANSI/IEEE crossing conductor hop mean?","introduction":"Older ANSI-style schematics often draw a small semicircular hop where one conductor crosses another, removing any doubt that the two are unconnected. Many CAD packages offer the hop, a gap or a plain crossing as display options, and the choice is set per drawing set.","example":"The hop carries no physical meaning; it is a reading aid. This illustration is an independent explanation of the convention rather than a reproduction of the IEEE graphic. Where a drawing set mixes hops and plain crossings, check the legend rather than assuming that plain crossings are connected.","drawings":"Treat the hop as no connection. Check whether the drawing set also uses plain crossings. A hop is an unconnected crossing; a junction dot is a connection.","terms":[{"name":"Normally open / normally closed","meaning":"The contact state in the normal condition defined for the drawing."},{"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":"Wire connection dots, crossing gaps and loops","url":"https://help.autodesk.com/cloudhelp/2020/ENU/AutoCAD-Electrical/files/GUID-936BB8A9-9C01-4AC6-B833-CB97700A7203.htm"},{"label":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","url":"https://standards.ieee.org/ieee/315/515/"}],"detail":"IEEE-oriented hop or loop drawn where one conductor passes over another without connecting. A hop is an unconnected crossing; a junction dot is a connection.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/ansi-crossing-conductor-hop","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/ansi-crossing-conductor-hop.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-public-wire-connections","title":"Wire connection dots, crossing gaps and loops","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2020/ENU/AutoCAD-Electrical/files/GUID-936BB8A9-9C01-4AC6-B833-CB97700A7203.htm","type":"cad-reference","scope":"Public drafting-tool documentation. The annotation is a connectivity or identification convention, not a verified IEC standard graphic.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public guidance on crossing gaps and loops."},{"id":"ieee-315","title":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","publisher":"IEEE Standards Association","url":"https://standards.ieee.org/ieee/315/515/","type":"standard","scope":"Graphic symbols and designation letters. IEEE lists this edition as Inactive-Reserved; it is a historical reference, not a claim of current compliance.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Graphic-symbol standards context and official status; not a source of reproduced artwork."}]}