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A yellow triangle with a black starburst beam.
Also known as: Laser hazard sign, Laser radiation warning, Yellow triangle with a beam, W004
The laser warning triangle marks a laser hazard, and the pictogram says nothing about class — a class 2 pointer and a class 4 cutting laser carry the same triangle. The class is stated in accompanying text, and it is the class that determines what precautions apply.
Warns of a laser beam hazard in the marked area or from the marked equipment.
Contexts: Public information
Does not indicate laser class, which determines the actual hazard and the required precautions and must be stated in accompanying text.
Contexts: Public information
Is a yellow triangular warning sign, the ISO 3864 form reserved for hazard warnings as opposed to prohibitions or instructions.
Contexts: Public information
A black starburst with radiating straight lines and a horizontal beam extending to the right, on a yellow equilateral triangle with a black border.