60+ Prohibition Signs, Their Meanings, and Key Features

Prohibition signs are crucial in maintaining safety, order, and compliance across various environments, from workplaces and public spaces to recreational and industrial zones. These signs are universally recognized symbols that convey clear instructions on what is not allowed, helping to prevent accidents, protect individuals, and uphold regulations.

In this blog, we present a comprehensive list of over 60 prohibition signs, categorized for ease of understanding and implementation. Whether it’s ensuring hygiene, restricting access, or promoting safe practices around machinery and hazardous areas, these signs are indispensable tools for creating secure and well-regulated spaces.

Prohibition signs are universally recognized safety symbols that indicate forbidden actions, behaviors, or access in specific areas or situations. These signs aim to prevent accidents, ensure compliance with rules, and protect individuals from harm. They are commonly seen in workplaces, public spaces, industrial zones, and recreational areas, providing clear and immediate visual communication to promote safety and order.

Key Features of Prohibition Signs

  1. Distinctive Red Circle and Diagonal Line: The primary feature is a red circular border with a diagonal line crossing through the center, universally recognized as a symbol of prohibition.
  2. Simple Pictograms: Black symbols or pictograms inside the circle clearly depict the prohibited action, such as smoking, entry, or using machinery.
  3. Optional Supporting Text: Accompanying text, often in bold, reinforces the message and provides additional clarity, especially when the pictogram alone may not suffice.
  4. High Visibility: It is designed with high-contrast colors (red, black, and white) to ensure visibility in all lighting conditions.
  5. Durable Materials: Typically made from weather-resistant materials like metal, plastic, or vinyl, allowing them to endure harsh conditions when placed outdoors or in industrial environments.
  6. Standardized Design: Complies with international safety standards (e.g., ISO 7010), ensuring uniformity and universal recognition.
  7. Variety of Applications: It is suitable for various environments, such as workplaces, public areas, recreational zones, and industrial sites, and it addresses specific safety concerns.

These features make prohibition signs an effective tool for enhancing safety, maintaining order, and minimizing risks in diverse settings.

Prohibition signs are safety symbols designed to indicate actions, behaviors, or access that are explicitly forbidden in specific areas or situations. They use simple pictograms, high-contrast colors, and a red circular border with a diagonal line, ensuring universal recognition and immediate comprehension.

Workplace and industrial safety signs are essential for promoting safety and preventing hazards. They provide clear warnings and prohibitions, ensuring compliance with regulations and reducing risks in environments with machinery, fire hazards, and restricted activities.

1. No Smoking Sign

No Smoking Sign

A prohibition sign indicating that smoking is not allowed in the designated area to prevent fire hazards and maintain air quality.

Key Features:

  • The red circle with a diagonal line over a cigarette icon.
  • Bold, clear text often accompanies the symbol.
  • Typically found in flammable storage areas, healthcare facilities, or near gas stations.

2. No Open Flame Sign

No Open Flame Sign

Indicates that open flames, such as matches, lighters, or candles, are strictly prohibited to avoid ignition of flammable substances.

Key Features:

  • The red circle with a diagonal line over a flame icon.
  • Often placed in areas with chemicals, gases, or fuels.
  • Designed for high visibility with contrasting colors.

3. Do Not Operate Without Guards Sign

Do Not Operate Without Guards Sign

Warns that operating machinery without protective guards is strictly prohibited to prevent accidents and injuries.

Key Features:

  • Text and pictogram depicting machinery with missing guards.
  • Bright, attention-grabbing design.
  • Typically used in workshops, factories, and construction sites.

4. Do Not Obstruct Sign

Do Not Obstruct Sign

Ensures that access points like emergency exits, pathways, or safety equipment are always kept clear.

Key Features:

  • Text with a relevant pictogram, such as a blocked pathway or crossed-out barrier.
  • Common in corridors, near fire extinguishers, and in warehouse aisles.
  • Often accompanied by reflective elements for visibility in low light.

5. No Heavy Load Sign

No Heavy Load Sign

Prohibits placing or transporting loads that exceed the specified weight limit to prevent equipment damage or accidents.

Key Features:

  • Icon of a weight with a diagonal line or text stating weight restrictions.
  • Found near lifting machinery, shelves, and elevators.
  • Includes visible text or weight specification.

6. No Reaching In Sign

No Reaching In Sign

Warns workers not to reach into machinery or enclosed spaces where moving parts may pose a danger.

Key Features:

  • Icon of a hand with a diagonal line over it, often near machinery.
  • Clear warnings about the hazard of entrapment or injury.
  • Located on or near the equipment.

7. Do Not Use Lift In The Event Of Fire Sign

Do Not Use Lift In The Event Of Fire Sign

Prohibits the use of elevators during a fire due to potential power failure or shaft smoke infiltration.

Key Features:

  • Pictogram of an elevator with flames and a diagonal line.
  • Usually paired with instructions to use stairs.
  • Found in buildings with elevators.

8. Do Not Use This Incomplete Scaffold Sign

Do Not Use This Incomplete Scaffold Sign

Restricts use of scaffolding that has not been fully constructed or inspected for safety compliance.

Key Features:

  • Text with a pictogram of a scaffold and a warning symbol.
  • Bright colors and large lettering.
  • Used at construction sites or renovation areas.

9. Do Not Use This Lift For People Sign

Do Not Use This Lift For People Sign

Prohibits the use of specific lifts, such as freight elevators or goods-only lifts, for transporting people.

Key Features:

  • Pictogram of a lift with a crossed-out human figure.
  • Text emphasizing the restriction.
  • Found near industrial lifts or goods elevators.

10. No Access For Forklift Trucks Sign

No Access For Forklift Trucks Sign

Prohibits forklift trucks from entering certain areas to prevent accidents with pedestrians or environmental damage.

Key Features:

  • Icon of a forklift truck with a diagonal line over it.
  • Red and white color scheme for visibility.
  • Found in pedestrian zones or sensitive areas.

11. Do Not Wear Gloves Sign

Do Not Wear Gloves Sign

This regulation restricts the use of gloves in areas or tasks where they could pose a safety risk, such as operating rotating machinery.

Key Features:

  • Icon of gloves with a diagonal line over them.
  • Text explaining the prohibition.
  • Found in manufacturing or precision work zones.

12. Do Not Tie Knots In Rope Sign

Do Not Tie Knots In Rope Sign

Prohibits tying knots in ropes to maintain structural integrity and avoid safety risks.

Key Features:

  • Icon of a knotted rope with a diagonal line over it.
  • Text reinforcing the restriction.
  • Found in rigging, climbing, or lifting environments.

These definitions and features clarify the purpose and application of each sign, ensuring a safer workplace environment.

General area restriction signs control access and activities in specific zones, ensuring safety and security. These signs clearly communicate prohibitions such as restricted entry, unauthorized access, or unsafe pathways, helping to protect individuals and maintain order in sensitive or hazardous areas.

1. No Entry for Unauthorized Persons Sign

No Entry for Unauthorized Persons Sign

A sign indicating that access is restricted to authorized personnel only, typically to protect sensitive areas or equipment from interference or unauthorized use.

Key Features:

  • Pictogram of a person with a diagonal line over them.
  • Bold text, such as “Authorized Personnel Only.”
  • Found in factories, data centers, labs, or restricted zones.

2. No Entry for People with Pacemakers Sign

No Entry for People with Pacemakers Sign

It restricts individuals with pacemakers from entering areas with strong electromagnetic fields or devices that could interfere with their pacemaker’s functionality.

Key Features:

  • Icon of a human figure with a heart and a diagonal line.
  • Accompanying text explaining the risk.
  • Used near equipment like MRI machines or high-voltage installations.

3. No Thoroughfare Sign

No Thoroughfare Sign

Indicates that an area is not a passable route or shortcut and is closed to pedestrian or vehicular traffic.

Key Features:

  • Symbol of a road or pathway with a diagonal line over it.
  • Text such as “No Through Road” or “No Access.”
  • Found in private driveways, dead-end roads, or restricted zones.

4. No Exit Sign

No Exit Sign

Warns that a door or pathway does not lead to an exit, especially in emergencies, to prevent confusion or delays during evacuations.

Key Features:

  • Text reading “No Exit” with or without an accompanying pictogram.
  • High visibility, often in bright colors like red or yellow.
  • Found in hallways, dead-end rooms, or false doors.

5. No Child Entry Sign

No Child Entry Sign

Restricts access to areas where children may be at risk due to dangerous equipment, substances, or conditions.

Key Features:

  • Icon of a child with a diagonal line over them.
  • Bold text stating “No Children Allowed.”
  • Common in factories, construction sites, or hazardous zones.

6. No Access For People With Active Implanted Cardiac Devices Sign

No Access For People With Active Implanted Cardiac Devices Sign

Prohibits entry for individuals with active implanted cardiac devices (e.g., defibrillators) to protect them from harmful interference caused by strong electromagnetic fields or other risks.

Key Features:

  • The symbol shows a person with a visible cardiac device and a diagonal line.
  • Accompanying text explaining the restriction.
  • Found near high-powered electrical equipment, medical facilities, or industrial sites.

These signs ensure safety and protect individuals by clearly defining restricted access based on potential hazards, maintaining secure environments, and preventing accidents.

Hygiene and health signs are designed to maintain cleanliness, prevent contamination, and protect individuals from health risks. These signs clearly outline prohibitions such as eating, drinking, or touching specific items or areas, ensuring safe and sanitary environments in workplaces, healthcare facilities, and public spaces.

1. Do Not Touch Sign

Do Not Touch Sign

Warns individuals not to touch specific items, surfaces, or equipment to prevent contamination, damage, or injury.

Key Features:

  • Icon of a hand with a diagonal line over it.
  • Bold text stating “Do Not Touch.”
  • Found near hazardous machinery, delicate instruments, or sterile environments.

2. No Eating or Drinking Sign

No Eating or Drinking Sign

Restricts eating or drinking in certain areas to maintain cleanliness, avoid contamination, or comply with safety regulations.

Key Features:

  • Icon of food and a drink crossed out with a diagonal line.
  • Clear accompanying text.
  • Used in laboratories, cleanrooms, or hazardous work zones.

3. Not Drinking Water Sign

Not Drinking Water Sign

Indicates that the water in the area is not safe for drinking due to contamination or being non-potable.

Key Features:

  • Symbol of a glass of water with a diagonal line over it.
  • Text such as “Not Drinking Water” or “Non-Potable Water.”
  • Found near industrial water sources or treated water systems.

4. No Spitting Sign

No Spitting Sign

Prohibits spitting in public or workplace areas to maintain hygiene and prevent the spread of diseases.

Key Features:

  • Icon of a person spitting with a diagonal line over it.
  • Text reinforcing the prohibition.
  • Common in public spaces, factories, and healthcare facilities.

5. No Bare Feet Sign

No Bare Feet Sign

Requires footwear in certain areas to protect against hazards such as sharp objects, chemicals, or electrical risks.

Key Features:

  • Icon of bare feet with a diagonal line over them.
  • Bold text stating “No Bare Feet.”
  • Found in factories, workshops, or areas with dangerous floor conditions.

6. No Loose Clothing Sign

No Loose Clothing Sign

Prohibits the wearing of loose clothing near machinery or equipment to prevent entanglement and injuries.

Key Features:

  • Icon of loose clothing with a diagonal line over it.
  • Text stating “No Loose Clothing Allowed.”
  • Common near rotating machinery or conveyor belts.

7. No Glass Containers Sign

No Glass Containers Sign

Restricts the use of glass containers to prevent breakage, injury, or contamination in certain areas.

Key Features:

  • Icon of a broken glass container with a diagonal line over it.
  • Accompanying text explaining the restriction.
  • Found in swimming pools, food production areas, or laboratories.

These signs prioritize hygiene and safety by enforcing cleanliness, preventing contamination, and protecting individuals from potential health risks in the workplace or public areas.

Public safety signs protect individuals and maintain order in shared spaces. These signs clearly indicate prohibited actions, such as running, alcohol consumption, or pedestrian access in restricted areas, helping to prevent accidents and ensure a safe environment for everyone.

1. No Running Sign

No Running Sign

Prohibits running to reduce the risk of slips, trips, and falls in areas where safety could be compromised.

Key Features:

  • Icon of a person running with a diagonal line over it.
  • Bold text stating “No Running.”
  • Found in wet floors, swimming pool areas, or crowded public spaces.

2. No Pedestrians Sign

No Pedestrians Sign

Restricts pedestrian access to areas designated for vehicles or machinery to avoid accidents.

Key Features:

  • Icon of a person walking with a diagonal line over them.
  • Accompanying text such as “No Pedestrians Allowed.”
  • Used in industrial zones, construction sites, or vehicle-only areas.

3. No Vehicles Sign

No Vehicles Sign

Prohibits the entry of vehicles into specific areas to protect pedestrians or the environment.

Key Features:

  • Icon of a vehicle with a diagonal line over it.
  • Text such as “No Vehicles.”
  • Found in pedestrian zones, parks, or areas with sensitive terrain.

4. No Alcohol Sign

No Alcohol Sign

Prohibits the possession or consumption of alcohol in designated areas to ensure public safety and compliance with regulations.

Key Features:

  • Icon of a bottle and glass with a diagonal line over them.
  • Bold text stating “No Alcohol.”
  • Common in workplaces, public transportation, or event venues.

5. No Dogs or Animals Sign

No Dogs or Animals Sign

Restricts the presence of dogs or other animals in specific areas for safety, hygiene, or regulatory reasons.

Key Features:

  • Icon of a dog with a diagonal line over it (sometimes includes other animals).
  • Text such as “No Animals Allowed.”
  • Found in food preparation areas, public transportation, or medical facilities.

These signs are vital for maintaining public order, protecting individuals, and ensuring safe environments by clearly communicating restrictions.

Recreational activity signs are designed to ensure safety and order in leisure environments. These signs prohibit unsafe actions like diving, swimming in restricted areas, or engaging in activities that may harm individuals or disrupt others, promoting a secure and enjoyable experience for all.

1. No Diving Sign

No Diving Sign

Prohibits diving into water in areas where it may be unsafe due to shallow depths, underwater obstacles, or other hazards.

Key Features:

  • Icon of a person diving with a diagonal line over it.
  • Text such as “No Diving Allowed.”
  • Found near swimming pools, lakes, or water bodies with restricted diving zones.

2. No Swimming Sign

No Swimming Sign

Restricts swimming in areas where it could be dangerous due to strong currents, poor water quality, or boat traffic.

Key Features:

  • Icon of a swimmer with a diagonal line over them.
  • Bold text stating “No Swimming.”
  • Found in harbors, reservoirs, or unsafe natural water bodies.

3. No Snorkeling Sign

No Snorkeling Sign

Prohibits snorkeling in designated areas to protect marine life, prevent interference with other activities, or ensure safety.

Key Features:

  • Icon of a person with a snorkel and a diagonal line over it.
  • Text reinforcing the prohibition.
  • Found in marine reserves, boat traffic zones, or unsafe snorkeling areas.

4. No Sub-aqua Diving Sign

No Sub-aqua Diving Sign

Restricts underwater diving using scuba gear in areas that may pose risks or are designated as no-dive zones for conservation purposes.

Key Features:

  • Icon of a scuba diver with a diagonal line over them.
  • Text stating “No Sub-aqua Diving.”
  • Found in protected marine zones or hazardous underwater environments.

5. No Jumping Into Water Sign

No Jumping Into Water Sign

Prohibits jumping into water to prevent injuries caused by shallow depths, underwater obstacles, or slippery surfaces.

Key Features:

  • Icon of a person jumping into water with a diagonal line over it.
  • Text stating “No Jumping Into Water.”
  • Common near pools, docks, or rocky shores.

6. No Pushing Into Water Sign

No Pushing Into Water Sign

Prohibits pushing others into water to prevent accidents, injuries, or conflicts in recreational areas.

Key Features:

  • Icon of one person pushing another with a diagonal line over it.
  • Text reinforcing the prohibition.
  • Found in swimming pools, docks, or recreational water parks.

7. No Sailing Sign

No Sailing Sign

Restricts sailing in designated areas to prevent conflicts with other water activities or protect sensitive marine environments.

Key Features:

  • Icon of a sailboat with a diagonal line over it.
  • Text stating “No Sailing Allowed.”
  • Found near busy harbors, marine sanctuaries, or hazardous waters.

8. No Windsurfing Sign

No Windsurfing Sign

Prohibits windsurfing in areas where conditions are unsafe or where the activity could disrupt other uses of the waterway.

Key Features:

  • Icon of a windsurfer with a diagonal line over it.
  • Bold text such as “No Windsurfing.”
  • Found near crowded beaches or restricted water zones.

9. No Kite Surfing Sign

No Kite Surfing Sign

Restricts kite surfing in areas where it may be unsafe or interfere with other activities, wildlife, or navigation.

Key Features:

  • Icon of a kite surfer with a diagonal line over it.
  • Text such as “No Kite Surfing Allowed.”
  • Found near busy shorelines, protected marine areas, or zones with strong wind restrictions.

These signs ensure the safety of individuals and the protection of natural environments by clearly marking activities that are restricted in recreational or aquatic areas.

quipment and object use signs provide clear instructions on prohibited actions involving tools, machinery, and specific items. These signs help prevent accidents, equipment damage, and improper use by restricting actions such as climbing, spraying water, or operating machinery in unsafe ways, ensuring a safe and efficient environment.

1. Do Not Climb Sign

Do Not Climb Sign

Prohibits climbing on specific objects or structures, such as machinery, equipment, or scaffolding, to prevent falls or damage.

Key Features:

  • Icon of a person climbing with a diagonal line over it.
  • Text such as “Do Not Climb.”
  • Found near machinery, shelves, or restricted structures.

2. No Climbing Sign

No Climbing Sign

Restricts climbing in specific areas, such as fences, walls, or barriers, to maintain safety and protect property.

Key Features:

  • Icon of a person climbing a wall or barrier with a diagonal line over it.
  • Bold text stating “No Climbing.”
  • Common near fences, electrical installations, or restricted zones.

3. Do Not Spray With Water Sign

Do Not Spray With Water Sign

Warns against using water to clean, cool, or extinguish equipment or materials that could be damaged or cause hazards when wet.

Key Features:

  • Icon of a water spray with a diagonal line over it.
  • Text explaining the restriction.
  • Found near electrical panels, machinery, or flammable materials.

4. Do Not Use For Wet Grinding Sign

Do Not Use For Wet Grinding Sign

Prohibits the use of grinding equipment for wet processes to avoid malfunction, safety risks, or material damage.

Key Features:

  • Icon of a grinding tool with water droplets and a diagonal line over it.
  • Text such as “Not for Wet Grinding.”
  • Found in workshops or manufacturing environments.

5. Do Not Use For Face Grinding Sign

Do Not Use For Face Grinding Sign

Restricts the use of grinding equipment for grinding the face of materials or tools, likely due to equipment design or safety concerns.

Key Features:

  • Icon of a grinding wheel with a marked restriction on face usage.
  • Text such as “Not for Face Grinding.”
  • Found near specialized grinding tools or machines.

6. Do Not Use a hand-held Grinding Machine Sign

Do Not Use a hand-held Grinding Machine Sign

Prohibits using specific equipment or attachments with hand-held grinding machines to prevent accidents or damage.

Key Features:

  • Icon of a hand-held grinding machine with a diagonal line over it.
  • Text reinforcing the prohibition.
  • Found in tool workshops or factories.

7. Do Not Extinguish With Water Sign

Do Not Extinguish With Water Sign

Warns against using water to extinguish a fire in certain situations, such as electrical fires or chemical reactions, where water could worsen the hazard.

Key Features:

  • Icon of a flame with water spray crossed out by a diagonal line.
  • Accompanying text stating “Do Not Extinguish With Water.”
  • Found near electrical equipment, chemical storage, or flammable gas areas.

These signs promote safe handling of equipment and objects by providing clear restrictions to prevent accidents, injuries, or equipment damage in specific contexts.

Specific situation signs address unique safety concerns and restrictions tailored to particular environments or circumstances. These signs clearly prohibit actions like performing hot works, wearing metallic items, or exposing objects to sunlight, ensuring safety, compliance, and protection in specialized settings.

1. Hot Works Prohibited Sign

Hot Works Prohibited Sign

Prohibits welding, cutting, or grinding activities that generate heat, sparks, or flames to prevent fires or explosions.

Key Features:

  • Icon of a flame or spark-producing tool with a diagonal line over it.
  • Text stating “Hot Works Prohibited.”
  • Found in areas with flammable materials or sensitive environments like chemical storage facilities.

2. Use Of Smart Glasses Prohibited Sign

Use Of Smart Glasses Prohibited Sign

Restricts the use of smart glasses or similar wearable technology to prevent distractions or security risks in sensitive or hazardous areas.

Key Features:

  • Icon of smart glasses with a diagonal line over them.
  • Text such as “Smart Glasses Prohibited.”
  • Found in workplaces requiring high concentration, secure zones, or proprietary environments.

3. Do Not Lean Against Sign

Do Not Lean Against Sign

Prohibits leaning against structures or equipment to prevent damage, contamination, or accidents.

Key Features:

  • Icon of a person leaning on an object with a diagonal line over them.
  • Text such as “Do Not Lean.”
  • Found near fragile equipment, machinery, or walls with safety or structural concerns.

4. Not For Pregnant Women Sign

Not For Pregnant Women Sign

Restricts entry or use of certain areas, devices, or substances by pregnant women to avoid health risks to them or their unborn child.

Key Features:

  • Icon of a pregnant figure with a diagonal line over it.
  • Text such as “Not For Pregnant Women.”
  • Found near radiation zones, certain medical equipment (e.g., X-ray rooms), or chemical areas.

5. No Metallic Articles Or Watches Sign

No Metallic Articles Or Watches Sign

Prohibits wearing metallic items, including watches, to prevent electromagnetic interference or safety hazards in certain environments.

Key Features:

  • Icon of metallic objects or a watch with a diagonal line over them.
  • Text explaining the restriction.
  • Found in MRI facilities, high-voltage areas, or explosive environments.

6. Child Seat Installation Prohibited Sign

Child Seat Installation Prohibited Sign

Restricts the installation of child seats in certain vehicles or seating positions due to safety concerns or equipment incompatibility.

Key Features:

  • Icon of a child seat with a diagonal line over it.
  • Text such as “Child Seat Installation Prohibited.”
  • Found in vehicles or areas with incompatible restraint systems, such as front seats with airbags.

These signs address specific safety or situational concerns, providing clear instructions to prevent accidents, protect individuals, and maintain safe and secure environments.

Toboggan and water activity signs are designed to ensure safety during recreational activities by prohibiting dangerous behaviors like stretching out of toboggans, diving, or swimming in restricted areas. These signs help prevent accidents and promote safe enjoyment in aquatic and snow-based environments.

1. Do Not Stretch Out Of Toboggan Sign

Do Not Stretch Out Of Toboggan Sign

It prohibits individuals from extending their arms, legs, or bodies out of the toboggan while riding to prevent injuries caused by collisions or falls.

Key Features:

  • Icon of a person stretching out of a toboggan with a diagonal line over them.
  • Text such as “Do Not Stretch Out Of Toboggan.”
  • Found at toboggan rides, sledding parks, or snow activity zones.
  • Ensures rider safety and minimizes risk during fast or downhill rides.

2. Do Not Ram Into Toboggan Sign

Do Not Ram Into Toboggan Sign

Prohibits intentionally or accidentally colliding with another toboggan to prevent damage, injuries, or disruptions on the track.

Key Features:

  • Icon of one toboggan ramming into another with a diagonal line over it.
  • Text such as “Do Not Ram Into Toboggan.”
  • Found near toboggan tracks, sledding hills, or snow recreation areas.
  • Ensures safe and smooth operation of rides without interference.

These signs promote safety and order in recreational areas, preventing accidents and ensuring a pleasant experience for all participants.

Miscellaneous signs cover a variety of safety concerns and prohibitions that do not fall into specific categories. These include warnings against crossing barriers, staring at light sources, or shutting lids while burners are operating, ensuring safety and proper behavior in diverse scenarios.

1. Do Not Cross Barrier Sign

Do Not Cross Barrier Sign

Restricts individuals from crossing physical or designated barriers to prevent access to hazardous or restricted areas.

Key Features:

  • Icon of a person attempting to cross a barrier with a diagonal line over them.
  • Text such as “Do Not Cross Barrier.”
  • Found near construction zones, railways, or protected environments.
  • Prevents accidents and ensures compliance with safety protocols.

2. Do Not Put Finger Into The Nozzle Of A Hydromassage Sign

Do Not Put Finger Into The Nozzle Of A Hydromassage Sign

Warns users not to insert fingers into hydromassage nozzles to prevent injuries from water pressure or moving parts.

Key Features:

  • Icon of a hand near a nozzle with a diagonal line over it.
  • Text such as “Do Not Put Finger Into Nozzle.”
  • Found at hydromassage facilities, spas, or pool areas.
  • Ensures user safety and prevents equipment damage.

3. Do Not Stare At Light Source Sign

Do Not Stare At Light Source Sign

Prohibits staring directly at intense light sources, such as lasers or bright LEDs, to avoid eye damage.

Key Features:

  • Icon of an eye near a light source with a diagonal line over it.
  • Text such as “Do Not Stare At Light.”
  • Found near laser machines, welding areas, or bright display equipment.
  • Protects eyesight from intense or harmful light exposure.

4. Do Not Shut Lid When Burners Are Operating Sign

Do Not Shut Lid When Burners Are Operating Sign

Restricts closing the lid of devices (e.g., grills, stoves) while burners operate to prevent pressure buildup or equipment damage.

Key Features:

  • Icon of a lid being shut over burners with a diagonal line.
  • Text such as “Do Not Shut Lid When Burners Are Operating.”
  • Found on barbecues, gas stoves, or industrial burners.
  • Ensures safe operation and prevents accidents.

5. No Horn Honking Sign

No Horn Honking Sign

Prohibits unnecessary horn honking to reduce noise pollution and maintain a peaceful environment.

Key Features:

  • Icon of a horn with sound waves and a diagonal line over it.
  • Text such as “No Honking Allowed.”
  • Found near hospitals, schools, or residential areas.
  • Promotes noise control and compliance with local regulations.

6. No Campfire Sign

No Campfire Sign

Prohibits the lighting of campfires in areas where it may pose a fire hazard or environmental threat.

Key Features:

  • Icon of a campfire with a diagonal line over it.
  • Text stating “No Campfire Allowed.”
  • Found in forests, dry areas, or protected zones.
  • Prevents wildfires and protects sensitive ecosystems.

7. Do Not Swing The Chair Sign

Do Not Swing The Chair Sign

Prohibits swinging chairs, especially in places like ski lifts or suspended seating, to prevent accidents or instability.

Key Features:

  • Icon of a person swinging on a chair with a diagonal line over it.
  • Text such as “Do Not Swing Chair.”
  • Found near ski resorts, cable cars, or amusement rides.
  • Promotes stability and ensures safe seating.

8. Do Not Expose To Direct Sunlight Or Hot Surface Sign

Do Not Expose To Direct Sunlight Or Hot Surface Sign

Restricts exposure of specific materials or objects to direct sunlight or heat to avoid degradation or damage.

Key Features:

  • Icon of the sun or heat waves with a diagonal line over it.
  • Text such as “Do Not Expose to Sunlight.”
  • Found on products sensitive to heat, such as chemicals or electronics.
  • Protects product integrity and safety.

9. Not To Be Serviced By Users Sign

Not To Be Serviced By Users Sign

Indicates that certain equipment or devices should only be serviced by authorized personnel to prevent misuse or damage.

Key Features:

  • Icon of a person servicing equipment with a diagonal line over it.
  • Text stating “Not For User Servicing.”
  • Found on machinery, medical devices, or electrical equipment.
  • Ensures proper maintenance and reduces risks of improper handling.

These signs address varied safety, operational, and environmental concerns, ensuring clarity and compliance for users in diverse situations.

Conclusion

Prohibition signs are indispensable tools for creating safe, orderly, and compliant environments across various settings, from workplaces and public spaces to recreational and industrial zones. These signs help prevent accidents, protect individuals, and uphold regulations by clearly communicating forbidden actions and restrictions.

This comprehensive guide to over 60 prohibition signs highlights their meanings, key features, and applications, showcasing their importance in promoting safety and maintaining order. Implementing these signs effectively ensures a secure and well-regulated environment, fostering a culture of awareness and responsibility.

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