Warning Signs: Full List, Meanings, and Workplace Safety Uses

Here’s a Warning Sign content section styled exactly like the Prohibition Sign screenshot you shared — including headings, emojis, bullet points, and a formatted sign list.


⚠️ What is a Warning Sign?

A Warning Sign is a type of safety sign used to alert people to potential hazards or dangerous conditions in the area. These signs help people stay alert and take precautions to avoid injury or accidents.


🧠 Key Features of Warning Signs

  • Shape: Triangle
  • Border: Black border
  • Symbol: Black pictogram
  • Background: Yellow
  • Message: Optional text inside or below the sign

📌 When to Use Warning Signs

Use Warning Signs in areas where there is a risk of:

  • ⚠️ Injury or health hazards
  • 🏗️ Machinery or operational dangers
  • 🔌 Electrical or chemical risks
  • 🚧 Temporary or permanent workplace hazards
  • 🦺 As part of risk assessment and control measures in NEBOSH, OSHA, or IG2 reports

⚠️ Warning Sign List

These signs indicate potential dangers that require caution. They typically have a yellow background with a black triangle and a black symbol inside.

Warning SignMeaning / PurposeExample Location
Warning: High VoltageRisk of electric shock or electrocutionElectrical rooms, switchboards
Warning: Slippery FloorSlip hazardWet floor, cleaning areas
Warning: Forklift TrucksMoving vehicles may be presentWarehouses, logistics zones
Warning: Explosive MaterialExplosion riskChemical storage, labs
Warning: Flammable MaterialFire hazardFuel storage, paint rooms
Warning: Toxic MaterialPoisonous substances presentChemical labs, waste areas
Warning: Laser RadiationExposure to laser beamsResearch facilities, medical labs
Warning: Trip HazardUneven or cluttered surfacesConstruction zones, renovation sites
Warning: Overhead LoadFalling object dangerCrane areas, lifting zones
Warning: Strong Magnetic FieldInterference with devices, metal objectsMRI rooms, industrial equipment
Warning: BiohazardBiological hazard riskHospitals, waste disposal areas

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