# ANSI/IEEE heating element symbol

Canonical URL: https://eloragrid.ai/symbols/ansi-heating-element
Publisher: Elora Grid
Updated: 2026-10-14
Lookup label: HEATER
Drawing use: SLD, Schematic
Reference families: IEEE / ANSI, Manufacturer

## Symbol convention

Convention: IEEE / ANSI
Form: Autodesk IEEE-oriented Resistive Components functional form
Autodesk explicitly publishes this block under IEEE Symbol Preview. The counterpart is the matching functional concept; no equivalence of every detailed standard graphic is asserted.
Related representation: [Heating element](https://eloragrid.ai/symbols/heating-element)

IEEE-oriented graphical reference for heating element, with public vendor evidence and drawing-reading notes.

## What it represents

The heater-element form identifies a documented resistive heating load. Supply conductors, control thermostat and protective device should be read as separate elements, even when the drawing places them close together to explain the heater circuit.
This is a convention-specific lookup based on the publisher's IEEE-labelled preview. The geometry here is independently drawn to explain the connection or operation; it is not a certified reproduction of the standard graphic.

## How to read it

- Read heater load and thermostat action independently.
- Read the selected library and the project legend together. A vendor block identifier is meaningful within its named library and is not a universal standard-symbol code.

## Information to show or reference

- State voltage/power
- Reference thermostat/control
- Show protective device

## Important distinction

A heating element is a power-consuming load, whereas the thermostat is a control or measuring element.

## Facts

- Convention evidence: Autodesk IEEE Symbol Preview — Resistive Components
- Public vendor block name: HRE1HT (Autodesk identifier; not an IEEE symbol number)
- Standards context: IEEE/ANSI 315-1975 covers diagram graphics. IEEE lists this edition as Inactive-Reserved.
- Artwork scope: Original functional illustration; exact standard glyph and compliance are not certified

## Public references

- [Autodesk IEEE Symbol Preview — Resistive Components](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-1A45DE3A-CD2A-4AD9-8125-219905C870B1.htm) — Autodesk. Exact public IEEE-oriented category page verifying the component name and vendor block identifier.
- [IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams](https://standards.ieee.org/ieee/315/515/) — IEEE Standards Association. Graphic-symbol standards context and official status; not a source of reproduced artwork.

## Graphic scope

Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.