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Prohibition signs chart

9 symbols and what they mean · symbolindex.com

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  1. Do not extinguish with water symbolDo not extinguish with waterNever use water on a fire here
  2. Do not touch symbolDo not touchYou must not touch the equipment, surface or object the sign is placed on or next to.
  3. Do not use lift in the event of fire symbolDo not use lift in the event of fireDo not use the lift if there is a fire
  4. General prohibition sign symbolGeneral prohibition signSomething is forbidden here
  5. No activated mobile phones symbolNo activated mobile phonesSwitch off mobile phones
  6. No open flame; fire, open ignition sources and smoking prohibited symbolNo open flame; fire, open ignition sources and smoking prohibitedNo open flames, fire or smoking
  7. No smoking symbolNo smokingSmoking is not allowed
  8. No thoroughfare / no access for pedestrians symbolNo thoroughfare / no access for pedestriansNo access on foot
  9. Not drinking water symbolNot drinking waterWater is not safe to drink
Symbol Index · symbolindex.com/categories/prohibition-signs/chart · free to use, credit appreciatedPrinted 2026-11-12