EN 14458 sets the requirements for face shields and eye protectors mounted on or used with a firefighter's helmet. These products face harsher thermal testing than EN 166 requires, because they have to work in fire conditions.
Categories
- +
- Face shield — covers a substantial part of the face
- Ω
- Eye protector — covers the eye area only
Additional marking
- 8
- Short-circuit electric arc
- 9
- Molten metal and hot solids
- T
- Impact at extreme temperatures
- K
- Resistance to surface damage
- N
- Resistance to fogging
A visor must always be assessed together with the helmet it is intended for. Fitted to another manufacturer's helmet it is no longer a certified assembly.





