Danger High Voltage - No Admittance Authorised Personnel Only Sign
Warns of high voltage hazards and restricts access to authorised personnel only
• Clearly warns of electrical danger and restricted access
• Ideal for plant rooms, electrical areas, and restricted zones
• High-contrast colours and bold symbols for maximum visibility
• Durable construction suitable for long-term use
• Helps prevent unauthorised entry and reduce risk of injury
Product Overview
This multi-message safety sign combines a high voltage warning with a strict no admittance instruction for unauthorised personnel. Featuring a clear electrical hazard symbol alongside prohibition imagery and bold text, it is designed to reduce the risk of injury by preventing access to dangerous areas. Ideal for workplaces where electrical risks are present, this sign ensures both hazard awareness and access control.
Where to Use
- Electrical control rooms
- Plant and machinery areas
- Industrial facilities
- Maintenance and service areas
- Restricted access zones
Key Features
- Combined warning and prohibition message for clarity
- Recognisable high voltage hazard symbol
- Bold “No admittance authorised personnel only” instruction
- High-contrast colours for visibility at a distance
- Helps reduce risk of electrical accidents and unauthorised access
Materials & Options
- Aluminium Composite (3mm)
- Rigid Plastic (1mm)
- 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?
This sign should be installed at entrances to electrical rooms, restricted areas, or any location where high voltage hazards are present.
Is this sign suitable for outdoor use?
Yes, when produced in appropriate materials such as aluminium composite or rigid plastic, it is suitable for both indoor and outdoor environments.
What does this sign indicate?
It warns of a high voltage electrical hazard and clearly states that only authorised personnel are permitted to enter the area.
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
Professional-looking and easy to spot. Works well for restricting access to hazardous areas. Happy with the overall quality.
The sign is clear and does the job, but slightly thinner than expected. Still readable and effective for safety use. Reasonable for the price.
Exactly what we needed for compliance. The warning is clear and noticeable even from a distance. Easy to install on site.
Good quality sign with bold, easy-to-read text. Ideal for keeping unauthorised people out of high-risk zones. Arrived quickly and well packaged.
Very clear and highly visible sign, perfect for restricted electrical areas. The message stands out well and helps enforce site safety. Feels durable and well made.