ResourcesPower system single-line symbols (IEC 60617)
Overhead line (IEC mark) symbol (DWG block)
Overhead line (IEC mark) is a ready-to-use AutoCAD block named PWR_LINE_OH_IEC in the Power system single-line symbols (IEC 60617), group “Busbars, lines and cables”. It carries 9 attributes, 2 of them visible, so it works in equipment lists and DATAEXTRACTION exports.

Place this symbol straight from the palette in AutoCAD. Free to try →
Block details
| Block name | PWR_LINE_OH_IEC |
|---|---|
| Library | Power system single-line symbols (IEC 60617) |
| Group | Busbars, lines and cables |
| Standard | IEC 60617 |
| Attributes | 9 attributes, 2 visible |
Attributes
Visible on the drawing: TAG, VOLTAGE_KV.
Hidden, they carry the data for schedules: CONDUCTOR, LENGTH_KM, RATED_CURRENT_A, CIRCUITS, FROM_TO, REMARKS, DESC.
How to use it
- Download the ZIP and unzip it. It holds one DWG with the block PWR_LINE_OH_IEC.
- Open the DWG and copy the block into your drawing, or insert it from the DWG with INSERT.
- Double-click a copy to fill in the tag and the other attributes.
The symbol is our own drawing after the common form of IEC 60617, not a certified copy. The library page explains how the symbols relate to the standard.
Names in other languages
The same symbol under its name in the other site languages.
- English
- Overhead line (IEC mark)
- Simplified Chinese
- 架空线路(IEC 标记)
- Traditional Chinese
- 架空線路(IEC 標記)
- Japanese
- 架空線(IEC表記)
- Korean
- 가공선(IEC 표기)
- German
- Freileitung (IEC-Zeichen)
- French
- Ligne aérienne (marque IEC)
- Italian
- Linea aerea (segno IEC)
- Spanish
- Línea aérea (marca IEC)











