Lamp
Indicator lamp
A visual indicator associated with a documented control or equipment condition.
Schematic
Symbols · LAMP TEST
Push-to-test indicator lamp
A push-to-test indicator lamp allows a documented local test of the lamp circuit.
Schematic · LAMP TEST
What it represents
A push-to-test indicator lamp allows a documented local test of the lamp circuit. The test path and normal indication path must be distinguished.
How to read it
- A successful lamp test does not necessarily verify the monitored process contact.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.
Information to show or reference
- Show normal signal source
- Show test connection
- State lamp supply and colour
A distinction that matters
Lamp test verifies an indication path; it is not automatically a complete alarm-system test.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
AutoCAD Electrical: Push-to-test lamps
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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