Laser warning symbol
A warning of a laser beam.
How to read it
In Great Britain the sign is a warning triangle, Laser beam. In the United States, the Food and Drug Administration sorts laser products into classes I, IIa, II, IIIa, IIIb and IV, and from class II up the product carries a label with a warning logotype and wording that depends on its class: a class II product, for example, reads “LASER RADIATION—DO NOT STARE INTO BEAM” and “CLASS II LASER PRODUCT”.
Also searched as: laser hazard symbol.
These identify the hazard a sign warns of. For what to do in a hazard area, follow the site’s own signs, instructions and trained staff.
Read next
- Next in Hazard warning signsNon-ionizing radiation symbolA warning of non-ionizing radiation: strong electromagnetic fields such as radio waves and microwaves, from equipment like radio and radar transmitters.
- In Safety signsWarning sign (yellow triangle)A yellow triangle with a black border and a black pictogram warns of a hazard. With an exclamation mark inside, it is the general warning sign.
More hazard warning signs
The same shape elsewhere
Browse symbols drawn with lines, stars or triangles.
Sources
- The Health and Safety (Safety Signs and Signals) Regulations 1996, Schedule 1, SI 1996/341, legislation.gov.uk (UK Government)
- Laser products (21 CFR 1040.10), 21 CFR 1040.10, U.S. Food and Drug Administration, via the eCFR, 21 CFR 1040.10(b)(41), (c)(1), (g)
Researched, edited and approved by Rory Hansen before publishing. Last reviewed September 25, 2026. How we research
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