{"schemaVersion":1,"slug":"heating-element","name":"Heating element","kind":"symbol","abbreviation":"HEATER","aliases":["HRE1HT","VRE1HT"],"category":"control-circuits","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A heating element converts electrical energy to heat in a documented circuit.","description":["A heating element converts electrical energy to heat in a documented circuit. Its supply, power rating and control/protection path need to be identified for cabinet or auxiliary-system use."],"readingNotes":["Trace the thermostat or control device separately from the element.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State voltage and power","Reference control thermostat","Show overcurrent protection"],"distinction":"A heater is a load; its thermostat is a separate switching or measurement function.","facts":[{"label":"Drawing role","value":"Passive circuit element"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HRE1HT, VRE1HT (Autodesk identifiers; not IEC symbol numbers)"},{"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":"autodesk-resistors","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["resistor","capacitor"],"artwork":"edu-heating-element","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/heating-element","illustration":{"url":"https://eloragrid.ai/library/illustrations/heating-element.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"autodesk-resistors","title":"Resistors and heater-element symbols","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-1D071951-D38E-4B15-8B9E-C30ECBD55C19.htm","type":"cad-reference","scope":"Fixed and variable resistive components, shunts and heater elements.","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."}]}