We can print any sign you need up to 2400mmx 1200mm on most flat materials or if you have a large order. Please fill in the form below with your enquiry details. Alternatively you can email us at support@rainbowsafety.co.uk or call 01902 590 50 50
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Isolate Main Supply Electrical Sign
Our Isolate main supply electrical warning sign informs people of electrical hazards around the premises.
- Conforms to EN ISO 70 10, where applicable.
- Signs are available in a range of sizes and materials.
- Provides a warning sign to a potential hazard.
WAE.21W-SA
| 1mm Rigid Plastic | Self Adhesive Vinyl | ||
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| 4mm Correx® | 3mm Aluminium Composite | ||
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| Photoluminescent Self Adhesive Class C | Photoluminescent Rigid Grade C | ||
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| Brushed Aluminium | Brushed Aluminium Self Adhesive | ||
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| 2mm Rigid Plastic | Foam | ||
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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
❝ Trade Customer Success Story
“Working with Rainbow Safety has transformed our safety sign sales.”
Before partnering with Rainbow Safety, our safety sign sales were less than £300 per month.
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 £5,100 in a single order.
Previously we were regularly asked to supply safety signs but couldn’t compete with internet prices while maintaining healthy margins. Working with rainbowsafety.co.uk.
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 £5,100 in a single order.
Previously we were regularly asked to supply safety signs but couldn’t compete with internet prices while maintaining healthy margins. Working with rainbowsafety.co.uk.
Apply for Trade Discounts
✓ Quick Approval • No Obligation
Loyalty Rewards
Rainbow Safety rewards regular customers across the UK who order safety signs on an ongoing basis.
Examples of our loyalty customers include:
- Schools and colleges
- Facilities management companies
- Contractors and maintenance teams
- Offices and commercial premises
Regular Customer Benefits:
- Preferential pricing for regular customers
- Free design service for custom safety signs
- Access to exclusive promotional offers
- Dedicated account manager if required
❝
Loyalty Customer Success Story
“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.
✓ Quick Approval • No Obligation
Reviews
We installed this “Isolate Main Supply” sign at the main electrical panel in our workshop near Wellington, and it instantly raised awareness. The wording and hazard symbol are bold and unmistakable, so everyone knows to shut off power before opening the enclosure. The rigid‑plastic version we got feels sturdy and weather resistant — even when exposed to damp conditions or outdoor dust, it remains firmly fixed. A small investment for real peace of mind and better site safety compliance.
On our rental‑property site in Christchurch, we used this sign to mark the main supply isolation point before maintenance. It’s simple but effective — easy to read, professional layout, and complies with standard safety signage requirements. Attachment was straightforward (we drilled it onto the distribution board), and it has held up well without fading or loosening after a few weeks. Good safety practice — well worth having on site.
The sign is clear, the hazard symbol works well, and the instruction to isolate the main supply before opening is direct and useful. We placed ours on a metal distribution board — it adhered well and was clearly visible. My only small complaint: if you mount it on rough or uneven surfaces (like concrete or textured walls) the adhesive version may struggle to stay fixed; in that case a drilled/mounted sign is better. Still, good quality and helpful for safety compliance.
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he sign does the job: clear message, good quality build, and easy to install — we used screws and it stuck to our electrical cabinet door just fine. That said, on a larger site or a busy workshop the standard size might get lost among other notices or equipment. For a small workshop or domestic install it’s fine; for larger facilities I’d consider a bigger version to improve visibility.