# Luminaire general plan symbol

Canonical URL: https://eloragrid.ai/symbols/iec-luminaire-general-plan-symbol
Publisher: Elora Grid
Updated: 2026-10-28
Lookup label: L
Drawing use: GA
Reference families: IEC

## Symbol convention

Convention: IEC
Form: Luminaire, general
IEC 60617 installation-plan style (architectural and topographical installation symbols); independently drawn, not certified IEC geometry or a database identifier.

General installation plan symbol for a luminaire or lighting point, drawn as a crossed circle at the ceiling position.

## In plain English

### What does Luminaire general plan mean?

On IEC-style lighting plans a crossed circle marks the position of a luminaire or a lighting outlet. It is the base form that other luminaire symbols modify: lines are added for linear fittings, arrows for spotlights and letters for emergency or special types.

### A simple example

The symbol is placed to scale at the ceiling position and tagged with a fixture type letter keyed to the luminaire schedule. Switching lines connect it to switches, and circuit labels identify the lighting circuit.

### What the drawings help you do

The crossed circle on a plan is not a control panel indicator lamp, even though the graphic is similar. Context, scale and the schedule make the difference.

### This particular reference

General installation plan symbol for a luminaire or lighting point, drawn as a crossed circle at the ceiling position. The indicator lamp in control schematics uses a similar graphic but signals equipment state; the plan symbol locates a room luminaire.

### Terms

- Schematic: A drawing showing function and connections rather than physical appearance.

Concept diagram: Identify the device and form → Read the connections and state → Check the equipment reference
A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram.

- [IEC graphical symbols for diagrams](https://tc3.iec.ch/tc-activity/graphical-symbols-for-diagrams/)
- [Pilot lights: public symbol reference](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-BBCEBBBA-24AD-4D3A-B106-39550AAACA6C.htm)
- [Electrical installation design methodology and references](https://www.electrical-installation.org/enwiki/General_rules_of_electrical_installation_design)


## What it represents

On IEC-style lighting plans a crossed circle marks the position of a luminaire or a lighting outlet. It is the base form that other luminaire symbols modify: lines are added for linear fittings, arrows for spotlights and letters for emergency or special types.
The symbol is placed to scale at the ceiling position and tagged with a fixture type letter keyed to the luminaire schedule. Switching lines connect it to switches, and circuit labels identify the lighting circuit.
The crossed circle on a plan is not a control panel indicator lamp, even though the graphic is similar. Context, scale and the schedule make the difference.

## How to read it

- Read the fixture type tag against the luminaire schedule.
- Follow switching lines to the switch positions.

## Information to show or reference

- Tag each luminaire with its schedule type.
- Show switching links.
- Label the lighting circuit.

## Important distinction

The indicator lamp in control schematics uses a similar graphic but signals equipment state; the plan symbol locates a room luminaire.

## Facts

- Graphic form: Crossed circle at the luminaire position
- Companion document: Luminaire schedule
- Exact standard graphic: Not reproduced here; confirm the form against IEC 60617 and the project legend

## Public references

- [IEC graphical symbols for diagrams](https://tc3.iec.ch/tc-activity/graphical-symbols-for-diagrams/) — IEC. IEC graphical symbol context for installation plans; independently drawn here.
- [Pilot lights: public symbol reference](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-BBCEBBBA-24AD-4D3A-B106-39550AAACA6C.htm) — Autodesk. Public lamp symbol family; the plan luminaire uses a similar crossed-circle element in a different drawing context.
- [Electrical installation design methodology and references](https://www.electrical-installation.org/enwiki/General_rules_of_electrical_installation_design) — Schneider Electric — Electrical Installation Guide. Installation design methodology covering lighting circuits and final distribution.

## 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.