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Warning symbols

You probably see warning symbols like the ones pictured above practically every day. Granted, some people - such as those who work in labs or hospitals - will see them more often than others, but even if your job seldom exposes you to hazardous substances and situations, it's still important to know what these symbols mean. You never know when that knowledge might come in handy!

So how well do you know your warning symbols? Below, you'll find 10 standard warning symbols (all of which can be found in our Warning Symbol Labels department) - all you have to do is name the hazard that each symbol identifies. We bet you can't get them all!

Harmful Hazard Warning Symbol Label

1) Can you guess what this big black cross means? Click here to find out! 

Biological Hazard Warning Symbol Label 

2) This warning symbol is commonly seen in certain films and video games - if you don't already know what it means, find out here!

 

Low Temperature Hazard Warning Symbol Label 

3) Come on - this one's easy, right? Answer here.

 

Caution Laser Warning Symbol Safety Label 

3) Reckon you know what this warning symbol means? Click here to find out whether or not you're correct. 

 Pressuriesed Cylinder Hazard Warning Symbol Label

4) Exploding hot dogs? Something to do with cricket bats? Find out the true meaning of this symbol here. 

Hot Surface Warning Symbol Label 

5) Three wavy lines. What are they warning us about? Find out here. 

Automatic Start Warning Symbol Label 

6) Right, we've been going easy on you so far. Here's a tricky one - find out what it means here! 

Finger Trap Symbol Warning Labels 

7) Confused? Click here to learn the meaning behind this assemblage of lines, arrows and fingers. 

Radiation Warning Symbol Label 

8) Slightly easier, this one - you've almost certainly seen it before, but what does it mean? Find out here.

 

High Temperature Hazard Warning Symbol Label 

9) More wavy lines! What do they mean? Answer here. 

Electrical Warning Symbol Label 

10) We'll end with a nice easy one. We're really hoping you know what this means - check your answer here!

 

So...how did you do?

0-3 points: Oh dear! Perhaps you need a warning symbol of your own?

4-7 points: Must try harder!

8-9 points: Good work!

 10 points: Safety superstar!

Need to brush up your knowledge? Head over to our Warning Symbols department and do some revision for next time!

 

Warning symbols are everywhere. Those black-and-yellow triangles can be found in offices, on construction sites, at your child's school, and sometimes even in seemingly gentler places like parks and swimming pools.

But do you know what those symbols mean?  The ISO (International Organisation for Standardisation) strive to ensure that the imagery used on warning signs and labels is as simple and as straightforward as possible, and yet you'd be flabbergasted by the number of people who can't name a common hazard from its corresponding warning symbol.

With that in mind, let's have a quick health and safety lesson - all of the following symbols are used internationally, and each one can be found in Label Source's Warning Symbol Labels department. Would you have known what they all meant?

 

Here's an easy one to start with - this is an electrical warning symbol, used to warn of hazards that may cause electric shocks or electrocution.

 

 

This hot surface warning symbol is somewhat less common, but it's just as important - used correctly, it will help to prevent burns and other injuries.

 

 

Do you know what this one this? It's a harmful hazard warning symbol, specifically for chemical hazards.

 

 

You may never have seen this particular symbol, but it is quite common in hospitals and laboratories. It's a laser hazard warning symbol, and given how dangerous laser radiation can be, it's another one that's very important in many cases.

Did you know all of these? There are plenty of others in our Warning Symbol Labels department - click here to expand your knowledge further!