The CSCS Test revision notes below will focus on Health and Safety signs and their meanings, these safety signs are the ones you should know if you’re taking your CSCS test in 2025.
Safety signs are broken down into different colour categories, these are as follows:
Blue safety signs – Blue safety signs are used to indicate that an action is mandatory, this means you must do something e.g. ear protection must be worn or safety boots must be worn.
Red safety signs – Red safety signs are used to indicate that an action is prohibited, some examples of prohibition signs include the popular no smoking sign and the no access for pedestrians sign.
Yellow safety signs – Yellow safety signs are known as hazard warning signs, these are used to indicate a hazard is present and you should be aware. Some hazard warning signs include the risk of electrocution signs and the laser beam warning sign.
Green safety signs – Green safety signs are safe condition signs. Some safe condition signs include the well-known emergency exit sign and the first aid sign.
| Safety Sign | Meaning |
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Hearing Protection must be worn |
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Eye Protection must be worn |
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Safety footwear must be worn |
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Safety gloves must be worn |
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High-visibility clothing must be worn |
 |
Safety helmet must be worn |
 |
Safety overalls must be worn |
 |
No smoking |
 |
No access for pedestrians |
 |
Incomplete or unsafe scaffold |
 |
No escape route |
 |
Emergency assembly point |
 |
Emergency first aid shower |
 |
Emergency exit or escape route |
 |
First Aid |
 |
Emergency eyewash station |
 |
Risk of electrocution |
 |
Warning – flammable substance |
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Warning – laser beams |
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Industrial vehicles moving around |
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Firefighting equipment kept here |
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Fire alarm point |
 |
Fire hose reel location here |
Health and Safety Signs Quiz
Now that you’ve gone over the different types of health and safety signs, here’s a quick quiz to test what you’ve learned.
- What do yellow and black triangular health and safety signs signify?
- What do blue and white health and safety signs signify?
- What do red and white health and safety signs signify?
- What do green and white health and safety signs signify?
- What colour health and safety signs tell you that an action is mandatory?
- What colour health and safety signs tell you that a hazard might be present?
- What colour health and safety signs tell you that an action is prohibited?
- What colour health and safety signs signify “safe conditions”?
Why are health and safety signs important?
There are many reasons why health and safety signs are important. Some of the main reasons include preventing accidents, preventing injuries, and reducing liability for organizations that have a large number of employees.
By providing clear instructions for employees, they can help to minimize the risk of accidents or injuries in the workplace. This is important not only from an employee perspective but also from a legal perspective.
Organizations that fail to comply with safety regulations can face significant fines and other penalties, so it is important to ensure that every workplace is as safe as possible.
Another reason why health and safety signs are important is that they help to protect the environment. Many of the hazards that workers may encounter in their daily activities can have a negative impact on the environment.
For example, poorly maintained equipment or chemicals that are not being used correctly could result in pollution and other damage to the environment. Providing clear instructions for employees and ensuring that they follow proper procedures when handling hazardous materials can help to protect the environment and reduce an organization’s carbon footprint.
Wrapping up
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If you would like to test your knowledge of safety signs further, please visit our CSCS safety signs and meanings test here.
