OHS Safety Signs & Meanings

Safety signs are an integral part of the work environment. They play a vital role in protecting not only your valued employees and stakeholders onsite but your business too. That is why safety signage should be top-of-mind when it comes to considering the standard and condition of your workplace environment. We’re the experts in safety signs in Perth. Read on to find out what the different types of OH & S signs are and mean. It is invaluable information which should be known and shared with those who don’t.

Why Site Safety Signs Matter

Safety signs are a must for safety across all industrial workplace environments. They are a commitment to not only the employees but any stakeholders who might be on sight at any particular time. They are designed to educate people on proper work environment conduct that will ensure that the risk of injury or even fatality is minimised.

They are also designed to alert people to the dangers of potential hazards in particular scenarios and areas across the work environment. The absence of these signs leaves workers and visitors alike vulnerable in times of danger and open to avoidable harmful situations. As an employer, you will want to avoid this because of the importance of your valued employees and the strain of any legal action that might be taken against you as a consequence of poor workplace safety. It is simply not worth it to neglect the importance of safety at work.  

Expo Group has been operating for nearly 80 years, and we dedicate ourselves to providing a superior standard of safety signage for our clients to minimise the risk of accidents and injury. The safety signs we offer are designed and manufactured in accordance with Australian Standards.

OH & S Signs


  • Emergency signs

These safety signs are designed to indicate the location of or offer directions to emergency-relevant facilities such as exits and first aid. They are recognised by the white symbol, occasionally with text, set against a green background.

  • Mandatory signs

As the name suggests, these signs give specific instructions that must be observed and carried out accordingly. Symbols on these signs are white and set against a blue circular background. Where accompanying text is present, it is in black lettering against a white background.

  • Prohibition signs

These signs communicate what behavior is strictly forbidden. The annulus and slash depict them in red, set over a symbol in black. If there is accompanying text, it is in black and set against a white background.

  • Danger signs

Danger signs are designed to warn onlookers of danger or a hazardous environment or situation that can result in injury or fatality. The word ‘danger’ is written inside a red oval which is inside a black rectangle.

  • Warning signs

These signs are designed to warn people of a hazardous situation that is not likely to result in fatality. The hazard symbol is depicted in black and set against a yellow background. Similarly, if there is accompanying text, it is written in black on a yellow background.

  • Fire signs

These signs show where the location of fire alarms and extinguishers are for times of emergency originating from the breaking out of a fire. The symbol, and text where present, on these signs are white and set against a red background.

  • General information signs

These signs are not explicitly outlined in the Australian Standards, but serve a vital purpose for employers, helping to point out and share important information to improve the safety and smooth running of the workplace environment.