{"schemaVersion":1,"slug":"yard-gate-bonding-interface","name":"Yard gate bonding interface","kind":"symbol","abbreviation":"YGBI","aliases":["Switchyard earthing and lightning interfaces","switchyards Switchyard earthing and lightning interfaces","switchyards","Switchyards","Gate and fixed fence structure","Gate bonding connection"],"category":"power-distribution","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Shows the documented bonding continuity across the assigned moving gate structure.","description":["Shows the documented bonding continuity across the assigned moving gate structure. Earthing and lightning interfaces identify the connections between equipment metalwork, primary protection devices and the station earthing network. Their electrical purpose differs from their physical conductor route or electrode geometry.","In a switchyard arrangement, the earthing references help connect each primary equipment structure and surge-protection device to the correct earth-grid interface. Separate details show actual joints, sizes and installation routes. For this reference, the drawing identifies “Gate and fixed fence structure” at the input and “Gate bonding connection” at the output. Mechanical movement requires a suitable bonding arrangement.","Name every connected item and the earthing design reference. The illustrative connection does not establish touch or step voltages, conductor sizing, lightning coverage or safe working conditions. The functional block is an independent explanation of this named application. Equipment-specific ratings, terminal connections and operating conditions must be established in the project documentation."],"readingNotes":["Start at the named input: Gate and fixed fence structure. Identify its source device or document and the state represented on the drawing.","Follow the named output: Gate bonding connection. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Mechanical movement requires a suitable bonding arrangement.","Name every connected item and the earthing design reference. The illustrative connection does not establish touch or step voltages, conductor sizing, lightning coverage or safe working conditions."],"drawingChecklist":["Label the source and connection reference for gate and fixed fence structure.","Identify the destination and defined state of gate bonding connection.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Mechanical movement requires a suitable bonding arrangement."],"distinction":"Mechanical movement requires a suitable bonding arrangement. This reference describes the named application; it does not establish a new IEC graphical symbol, an ANSI device-function number or an exact manufacturer connection diagram.","facts":[{"label":"Representation","value":"Functional block"},{"label":"Installation focus","value":"Switchyards"},{"label":"Input / boundary","value":"Gate and fixed fence structure"},{"label":"Output / connection","value":"Gate bonding connection"},{"label":"Lookup label","value":"YGBI is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"s28-eig-earthing-connections","relevance":"Public technical context for switchyard earthing and lightning interfaces. Protective earthing, bonding and earth-electrode interfaces. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["iec-earth-electrode","lightning-down-conductor","lightning-mast-earth-grid-interface"],"artwork":"pi26-yard-gate-bonding-interface","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"switchyards","family":"yard-earthing","input":"Gate and fixed fence structure","output":"Gate bonding connection"},"plainEnglish":{"title":"What this block does","introduction":"Shows the documented bonding continuity across the assigned moving gate structure.","example":"In a switchyard arrangement, the earthing references help connect each primary equipment structure and surge-protection device to the correct earth-grid interface. Separate details show actual joints, sizes and installation routes. For this reference, the drawing identifies “Gate and fixed fence structure” at the input and “Gate bonding connection” at the output. Mechanical movement requires a suitable bonding arrangement.","drawings":"Start at the named input: Gate and fixed fence structure. Identify its source device or document and the state represented on the drawing. Follow the named output: Gate bonding connection. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Gate and fixed fence structure"},{"name":"Output","meaning":"Gate bonding connection"},{"name":"Application reference","meaning":"An explanation of a named drawing function or circuit relationship; the project documents define the equipment and its connections."}],"diagram":"flow","steps":["Gate and fixed fence structure","YGBI","Gate bonding connection"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"Earthing connections","url":"https://www.electrical-installation.org/enwiki/Earthing_connections"}],"profileId":"power-installation-yard-earthing"},"url":"https://eloragrid.ai/symbols/yard-gate-bonding-interface","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/yard-gate-bonding-interface.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"s28-eig-earthing-connections","title":"Earthing connections","publisher":"Schneider Electric, Electrical Installation Guide","url":"https://www.electrical-installation.org/enwiki/Earthing_connections","type":"manufacturer","scope":"Definitions of earth electrode, main earthing terminal, removable test link and bonding conductors in an installation earthing arrangement.","checkedOn":"2026-10-28","reuse":"link-only","relevance":"Public technical context for switchyard earthing and lightning interfaces. Protective earthing, bonding and earth-electrode interfaces. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}