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Warning Safety Signs (9709)

  • Warning Safety Signs
One of the most important aspects of protecting your facility is ensuring that your employees are not at risk. Place a warning right where you need employees and visitors to pay attention to remind everyone to look after themselves and others.
  • Warning safety signs specifically designate dangerous situations that could result in injury or death. Don't use these for property damage unless personal injury is involved.
  • • Search over 5,000 messages in stock to find your perfect fit, all applicable with ANSI Z535.2.
  • • Need something small? Choose a label you can easily apply — just peel and stick where you need them.
  • • For more information, visit our - Warning Signage FAQs
Blank Warning Signs
Blank Warning Signs
Make your own warning safety signs in a few clicks. Blank safety signs are great for quick notices and temporary hazards.
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Best-Selling Warning Signs (106836)

custom
bestseller
Custom ANSI Warning Sign
3.5"x5" to 24"x30"
custom
Warning Sign
3.5"x5" to 24"x30"
custom
Bilingual Custom OSHA Warning / Advertencia Sign
3.5"x5" to 24"x30"
Bilingual Biohazardous Waste Storage Area Sign
ZoomPriceBuy
3.5"x5" to 12"x18"
Biosafety Level 2 OSHA Warning Biohazard Sign
3.5"x5" to 12"x18"
Radio Frequency Fields Warning Sign
3.5"x5" to 18"x24"
Magnetic Field May Interfere With Pacemakers Warning Sign
3.5"x5" to 12"x18"
Electrical Panel Keep Clear 36 Inches Warning Sign
3.5"x5" to 12"x18"
Keep Out Unstable Cliff ANSI Warning Sign
3.5"x5" to 12"x18"
Warning Combustible Dust Area Sign
3.5"x5" to 18"x24"
Warning Combustible Dust Hazard Sign
3.5"x5" to 18"x24"
Warning Very Hot Water Sign
3.5"x5" to 18"x24"
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Warning Lead Work Area Sign
3.5"x5" to 10"x14"
Warning Keep Hands Out of Machinery Sign
3.5"x5" to 10"x14"
Electrical Panel Keep Clear OSHA Warning Sign
3.5"x5" to 10"x14"
Warning Electrical Hazard Authorized Personnel Sign
3.5"x5" to 10"x14"
bestseller
Arc Flash Shock Hazard, PPE Tools Required Sign
3.5"x5" to 10"x14"
Arc Flash Shock Warning Hazard Sign
3.5"x5" to 12"x18"
Non Potable Water Do Not Drink Sign
5"x10"
Single Person Lift Could Cause Injury Label
1.5"x3" to 2.75"x5.5"
Safety Vest Required Warning Sign
5"x10"
Fall Hazard, Appropriate Protection Equipment Be Worn Sign
3.5"x5" to 12"x18"
Close Clearance Railroad Warning Sign
7"x10" to 18"x24"
Warning Beware Of Snow And Ice Falling Sign
12"x18"
Beware of Falling Snow Sign (with Graphic)
12"x18"
Honey Bees At Work Bee Warning Sign
12"x18" to 18"x24"
Warning Radio-Frequency Radiation Hazard Restricted Area Sign
6"x6" to 18"x18"
Frequently Asked Questions

Q. How do I decide what size of warning sign I need?

A.

Your choice of the size of warning sign will depend on factors such as the location of the sign, viewing conditions (low light vs. adequate lighting, distractions around the sign, etc.), the amount of text and/or the number of symbols on the sign, and the safe viewing distance. Warning safety signs usually have these standard sizes - 7”x5”, 10”x7”, 14”x10”, and 20”x14” with a safe viewing distance of 8ft., 10ft., 20ft., and 30ft. respectively. 



ANSI also provides guidance about the letter size on the warning safety sign as per the minimum safe viewing distance, where the letter height measurement is based on the height of the capital letter ‘H’ in the message. The height of the signal word is required to be at least 50% greater than the letter height of the majority of the sign legend. You may refer to the table below to understand the letter sizing requirements.

Minimum safe viewing distance (feet)

Minimum letter height of letter 'H' in the sign legend (points)

Minimum letter height of the signal word (inches)

8

32

0.48

10

40

0.60

20

80

1.20

30

120

1.80

Q. Can I create my own warning sign?

A.

With our custom warning sign templates, you most certainly can. Available in a variety of shapes, sizes, materials, and formats, these templates let you add your text, select a symbol/pictogram, and modify the font style/size. We offer OSHA and ANSI-compliant custom warning sign templates as well as templates for your property and for floor signs. Spanish and bilingual warning signs are also available.

Q. Which material are your safety warning signs made of?

A.
Our warning safety signs are available in a variety of materials and formats. While our rigid plastic warning signs make for the more economical options, our standard aluminum signs offer greater durability. We offer 3M engineer-grade aluminum warning signs as well that are reflective and promise great visibility even in the dark. Some of our warning signs are available in glow and fluorescent formats as well.

Q. Can warning signs be customized?

A.

Yes, of course. Choose from our many custom warning sign templates available in OSHA and ANSI formats. You can add your text and select the symbol/pictograph you want on your warning sign. We also offer customizable warning sign templates for properties and adhesive sign templates for floors.

Q. Can glow projecting warning signs be used indoors?

A.

They absolutely can be. Our customizable glow projecting warning sign is made of 40 mil thick aluminum with a Glo Brite photoluminescent film lamination on the face of the sign. The sign does not require electricity or battery but absorbs light (natural or artificial) during the day and emits it to glow in the dark, and is suitable for use both indoors and outdoors.

Q. Is it possible to modify in-stock warning signs?

A.

You may modify some of our in-stock warning signs with the help of the custom option visible on the left side of the product page, just below the sign product images. You can add your text, change clipart where available, and modify the font used on the sign. 

You may also change the language of the sign from English to Spanish by selecting the Spanish option given right next to the custom option on the product page.

Customer Reviews

Woman User Icon
Sep 05, 2021

Custom OSHA Warning Sign : Add Your Wording Here
Part #: S-3058 18" x 24" Heavy-Duty Aluminum Sign, 80 mil   Verified Purchase

Warning Signs

Staff helpful in finalizing the wording and proofing. Signs arrived within 2 days.
Woman User Icon
Jul 26, 2021

Custom ANSI Warning Sign : Add Your Warning Message Here
Part #: S-3036 12" x 18" Heavy-Duty Aluminum Sign, 63 mil   Verified Purchase

Great customer service and quality product

Quick help via chat box. Sign delivered quickly and of very good quality. Can't ask for more.
Man User Icon
Jul 12, 2021

ANSI Warning Sign : Area in Front of This Electrical...
Part #: S2-0516 5" x 3.5" Adhesive Polyester Labels   Verified Purchase

Good labels.

They were just as ordered and needed for the school.
Man User Icon
Jun 28, 2021

Custom OSHA Warning Sign : Add Your Wording Here
Part #: S-3058 3.5" x 5" Heavy Laminated Magnetic Labels   Verified Purchase

Magnetic Warning Signs

They will work perfectly for my application. Thanks
Man User Icon
May 28, 2021

Custom OSHA Warning Sign : Add Your Wording Here
Part #: S-3058 7" x 10" HDPE Plastic Sign   Verified Purchase

Fast, professional service and fair prices

Fast, professional service, fair prices, and quick turnaround. Will be doing business again.

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