what does this symbol mean?
NCS A circle inside a square

Recessed light

A light set into the ceiling so it sits flush with the surface.

This explains what a symbol represents on a drawing. Conventions vary between firms and standards, and a drawing's own legend takes precedence.

How to read it

NECA 100 treats recessed mounting as a modifier on the basic fixture symbol, alongside surface and wall mounting. The Army's print-reading manual marks special types by adding a letter to the lighting outlet symbol, with R for recessed. NECA 100 allows other symbols when the drawing or its legend sheet explains them, so the legend defines the one in use.

Also searched as: can light, downlight, pot light.

Look-alikes

A ceiling light without the recessed marking is surface mounted.

More blueprint symbols

Sources

Last reviewed September 24, 2026 by Rory Hansen. How we research

Report a problem

Please don’t include personal details.