Danger Explosive Atmosphere Sign - EX Atex Category 1
Warn staff and visitors of explosive atmosphere hazards in ATEX Category 1 areas with this highly visible danger safety sign.
• Alerts individuals to the presence of a potentially explosive atmosphere
• Ideal for hazardous zones, industrial sites, refineries and chemical plants
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps improve awareness of explosive atmosphere risks and supports safe working practices
Product Overview
The Danger Explosive Atmosphere Sign - EX ATEX Category 1 is designed to warn staff, contractors and visitors of potentially explosive atmospheres in ATEX Category 1 locations. Featuring a bold yellow and black danger design with the recognised EX hazard symbol, it provides a clear visual warning to help reduce ignition risks and improve safety awareness in hazardous environments.
Where to Use
- ATEX Category 1 hazardous areas
- Chemical plants
- Oil and gas facilities
- Refineries
- Industrial processing sites
Key Features
- Clear explosive atmosphere warning message
- Recognised EX hazard symbol
- High-visibility yellow and black design
- Easy to recognise from a distance
- Helps improve awareness of explosive atmosphere hazards
Materials & Options
- Rigid Plastic (1mm)
- Rigid Plastic 1mm (Self Adhesive Back)
- Rigid Plastic (2mm)
- Rigid Plastic 2mm (Self Adhesive Back)
- Self Adhesive Vinyl
Compliance
This sign supports compliance with UK health and safety regulations, including:
- Health and Safety at Work etc. Act 1974
- Safety Signs and Signals Regulations 1996
Frequently Asked Questions
Where should this sign be installed?
Install this sign at entrances to ATEX Category 1 areas and any location where explosive atmospheres may be present.
Is this sign suitable for outdoor use?
Suitability depends on the selected material. Choose the appropriate material option for your installation environment.
What does this sign indicate?
It warns that an explosive atmosphere may be present in the area and highlights an ATEX Category 1 hazardous location.
Trade Discounts
Rainbow Safety supplies safety signs to trade professionals across the UK.
Our trade customers include:
- Fire safety service companies
- Fire risk assessors and safety consultants
- Electrical wholesalers
- Facilities management companies
Approved trade customers receive:
- Preferential trade discounts
- Better margins for reselling safety signs
- Marketing support to help you sell more signs
- Access to our full range of safety signs
With the support and marketing tools provided, our sales have grown to over £3,000 per month.
Fire extinguisher servicing margins are not what they used to be, so supplying safety signs has become a valuable additional revenue stream for our business. On one warehouse safety survey alone we invoiced £5,100 on a single order.
We can now compete with internet prices and still make a healthy margin.
We were regularly asked to supply safety signs, but struggled to compete with internet prices while maintaining a worthwhile margin.
Working with Rainbow Safety has changed that. We can now offer our customers a competitive range of safety signs while still making a healthy margin for our business.
Loyalty Rewards
Rainbow Safety rewards regular customers across the UK who order safety signs on an ongoing basis.
- Schools and colleges
- Facilities management companies
- Contractors and maintenance teams
- Offices and commercial premises
- Preferential pricing for regular customers
- Free design service for custom safety signs
- Access to exclusive promotional offers
- Dedicated account manager if required
“Rainbow Safety has become our go-to supplier for safety signs.”
We regularly need safety signs for maintenance work, refurbishments and ongoing compliance updates. Since ordering from Rainbow Safety, the process has been straightforward, reliable and cost-effective.
The loyalty rewards and special offers have helped us save money across repeat orders, while the wide product range means we can usually source everything we need in one place.
Fast ordering, consistent quality and ongoing rewards have made Rainbow Safety a valuable supplier for our business.
Reviews
A professional-looking sign that's ideal for our industrial facility. The durable finish has held up well in demanding working conditions.
The sign is sturdy and very easy to read once installed. I would have liked a few more size options, but the overall quality is excellent.
Excellent quality ATEX warning sign with sharp printing and bold colours. It's perfect for clearly identifying hazardous explosive atmosphere zones.



