{"schemaVersion":1,"slug":"disconnect-terminal-block","name":"Disconnect terminal block","kind":"symbol","abbreviation":"TB DISC","aliases":[],"category":"connections-wiring","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A disconnect terminal includes a documented separable path for circuit isolation or testing at the wiring level.","description":["A disconnect terminal includes a documented separable path for circuit isolation or testing at the wiring level. Its reference operating state and terminal identity must be shown."],"readingNotes":["Identify the circuit path opened by the disconnect element.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Label disconnect function","Show connected circuits","Reference normal/service position"],"distinction":"A disconnect terminal is not automatically suitable for load interruption or for every CT testing arrangement.","facts":[{"label":"Drawing role","value":"Wiring interface"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"pub-symbol-terminal-families","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["terminal","terminal-strip"],"artwork":"edu-disconnect-terminal-block","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/disconnect-terminal-block","illustration":{"url":"https://eloragrid.ai/library/illustrations/disconnect-terminal-block.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-terminal-families","title":"Terminal block functional families","publisher":"Phoenix Contact","url":"https://www.phoenixcontact.com/en-gb/products/terminal-blocks","type":"manufacturer","scope":"Public manufacturer explanation of the equipment function and selection context.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}