# One-line terminal representation

Canonical URL: https://eloragrid.ai/symbols/iec-one-line-terminal-representation
Publisher: Elora Grid
Updated: 2026-10-14
Lookup label: HT0001_1-
Drawing use: Schematic
Reference families: IEC, Manufacturer

## Symbol convention

Convention: IEC
Form: One-line terminal representation
Autodesk IEC-60617 Symbol Preview — One-line terminal representation; vendor family reference, not certified IEC geometry or database identifier.

A one-line terminal identifies a termination point in a simplified circuit view.

## What it represents

A one-line terminal identifies a termination point in a simplified circuit view.
Reference the terminal strip and detailed terminal numbers elsewhere in the drawing package.
Square and round presentation forms are kept together rather than treated as different terminal functions.

## How to read it

- Reference the terminal strip and detailed terminal numbers elsewhere in the drawing package.
- Square and round presentation forms are kept together rather than treated as different terminal functions.

## Information to show or reference

- Identify the associated device, circuit or diagram boundary.
- Reference the terminal strip and detailed terminal numbers elsewhere in the drawing package.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.

## Important distinction

Square and round presentation forms are kept together rather than treated as different terminal functions.

## Facts

- Reference scope: Specific public IEC-context family form
- Publisher reference token: HT0001_1-, HT0002_1- (Autodesk token; not a verified IEC database ID)
- Information added: Reference the terminal strip and detailed terminal numbers elsewhere in the drawing package.
- Preview: Independent educational concept; consult the publisher and applicable standard for the exact graphic

## Public references

- [Autodesk IEC-60617 preview: One-line terminal representation](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-BF54B7FD-AAE1-4FE2-A8CF-07CFC96BFE5E.htm) — Autodesk. Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content.

## 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.