Warning sign - yellow triangle
Caution Signs
A caution sign alerts people to a lower-level hazard or a temporary situation. These printable caution signs use the yellow warning triangle or a plain yellow word sign: wet paint, door opens outwards, glass door, vehicles crossing, testing in progress, out of order and more. Each prints at A5, A4 or A3 in portrait or landscape. For wet floors, trip hazards, steps and hot surfaces, use the dedicated pages linked below, which have the right symbols.
Caution sign
Sign text: "Caution". PDF, 15 KB. A5, A4 or A3, portrait or landscape.
Buy a durable version
Rigid plastic, aluminium or self-adhesive caution signs, ready to put up. The pictures are our own free designs, not the Amazon products.
Rigid caution sign
View on Amazon - Rigid caution sign (affiliate link, opens in a new tab)
Out of order sticker
View on Amazon - Out of order sticker (affiliate link, opens in a new tab)
Also useful: A-frame caution board on Amazon (affiliate link, opens in a new tab)
Some links are affiliate links - we may earn a small commission at no cost to you. As an Amazon Associate I earn from qualifying purchases. How affiliate links work
Choose your wording
9 versions. Each one downloads as a PDF in A5, A4 or A3, portrait or landscape.
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Caution - text only (yellow)
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Caution wet paint
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Caution door opens outwards
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Caution glass door
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Caution vehicles crossing
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Out of order
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Caution testing in progress
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Caution restricted area
Download all 9 signs
Every wording, size and orientation in one ZIP file, 755 KB.
Also useful here
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Battery charging area
Print tips
- Print at "actual size" or 100%, not "fit to page", so the margins stay even.
- Use thicker paper or card (160gsm or more) if the sign will be handled.
- For outdoor or long-term use, laminate it or buy a rigid version.
Where to use it
- On freshly painted doors, walls and rails
- On doors that open into a corridor
- On glass doors and panels
- At yard and car-park junctions on private land
- On equipment that is being tested or has failed
Questions
Is a caution sign a legal sign?
There is no separate legal class called a caution sign. Check the wording against the regulations.
Can I use the vehicles sign on a public road?
No. It is for private land - not for use on public roads.
How do I show something is broken?
Use the Out of order sign and also isolate or remove the item if it is unsafe.
Where can I find wet floor or trip hazard cautions?
On the wet floor and trip hazard pages, which have the right symbols.
Related signs
Wet Floor Signs
Trip Hazard Signs
Mind The Step Signs
Warning Signs
Danger Signs
Hazard Signs
Door SignsWarning class. A yellow triangle with a black edge warns of a hazard. All health and safety signs