Alert workers and visitors to dangerous high voltage electrical hazards with this professional "Danger High Voltage" safety sign. This electrical warning sign provides critical hazard communication for industrial facilities, construction sites, and any workplace where high voltage electrical equipment poses serious safety risks.
| 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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Do you buy signs in bulk or on a regular basis? We offer the best safety sign reseller package in the industry.
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To help you sell safety signs, we have a reseller digital catalogue. To view the catalogue please click on the link digital catalogue. The catalogue is available with no prices or with retail prices and can be rebranded with your details.
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
he sign itself is well made — bold hazard symbol, clear “Danger High Voltage” text, quality print. We used it on an electrical cabinet in our facility. My only minor criticism: for more open spaces or larger areas, the standard size we ordered might be a bit small. If mounting near a wall or door it works perfectly, but if you want to warn drivers or people from a distance, you might need a larger format. All in all, a dependable hazard sign if placed right.
I ordered the “Danger High Voltage Electrical Sign” for our electrical switch-room door and it looks excellent. The material feels sturdy (we went for the 3 mm aluminium composite version) and the print is bright and easy to read from a few metres away. It’s visible even in dimly lit areas, which is important near live panels. Installation was straightforward — we drilled it onto the door and it’s stayed put through regular site traffic. Solid sign and good value, especially considering the peace of mind it gives about site safety.
We used this High Voltage warning sign at a small substation facility in Ontario. The rigid-plastic version we selected is weather-resistant and held up well through rain and cold weather. The wording and the lightning-bolt hazard symbol are unmistakable - very clear hazard communication for workers and visitors. We positioned it where anyone entering the area sees it immediately. Very satisfied with quality and usefulness.
his Danger High Voltage sign from RainbowSafety gives our plant a more professional look while ensuring safety compliance. The text and symbol are crisp and legible from a distance; no blurring or fading even after weeks outside. We mounted the 1 mm rigid-plastic version on a metal fence near the transformer enclosure, and it’s survived wind and dust without damage. A simple but essential safety board - absolutely recommend for any electrical installation.