Danger High Voltage Electrical Sign
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Danger High Voltage Electrical Sign

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.

  • Clearly warns of the presence of high voltage electrical hazards to enhance site safety.
  • Bold design ensures maximum visibility and quick recognition in any environment.
  • Suitable for use in electrical rooms, substations, and areas with exposed electrical equipment.
  • Manufactured to meet UK safety standards for durable, long-lasting performance indoors or outdoors.
  • Cant Find The Sign You Need? Click Here
    • 150mm x 200mm
    • 450mm x 600mm
    • Rigid Plastic (1mm)
    • Self Adhesive Vinyl

    £2.19 VAT excluded

    £2.19 VAT excluded

    WAE.01W-SA
    1mm Rigid Plastic Self Adhesive Vinyl
    • Our most popular choice for safety signs
    • Can be used indoors or outdoors
    • Can be drilled or stuck onto a wide range of materials
    • UV and weather resistant
    • Gloss white finish with an adhesive backing
    • Mainly for indoor use, but can be used for outdoors
    • Easy to apply
    • For best results, it must be applied to clean, dry and smooth surfaces
    4mm Correx® 3mm Aluminium Composite
    • Fluted corrugated board
    • Most used in for sale signs
    • Recyclable and lightweight
    • Ideal for temporary signs
    • Aluminium white face with resin core
    • Internal or external use
    • Ideal for large boards up 2400mmx 1200mm
    • Used for permanent signs
    Photoluminescent Self Adhesive Class C Photoluminescent Rigid Grade C
    • Self charges using ambient light
    • Available in the higher performance PSPA rated "Class C" classification for a longer glow
    • Easy to apply to a smooth, clean surface
    • Ideal for indoor use
    • 1.3mm thick photoluminescent rigid plastic
    • Exceeds PSPA Class C classifications. Glows 3x brighter than B
    • Can be drilled or apply no nails adhesive
    • Used for fire safety signs
    Brushed Aluminium Brushed Aluminium Self Adhesive
    • Made from 3mm aluminium composite board with a brushed aluminium effect
    • The brushed aluminium effect gives the sign a contemporary smart finish
    • Ideal for indoor or outdoor use
    • Brushed aluminium effect
    • Self Adhesive backing
    • Easy to apply
    • Appy to a smooth, clean surface
    • Ideal for indoor use
    2mm Rigid Plastic Foam
    • Can be used indoors or outdoors
    • Can be drilled or stuck onto a wide range of materials
    • UV and weather resistant
    • Available in 3mm or 5mm thickness
    • Often referred to as foamex
    • Durable and lightweight
    • Ideal for internal signs

    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



    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.
    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

    Grade 
    Mia T

    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.

    Grade 
    Connor

    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.

    Grade 
    Loretta

    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.

    Grade 
    Erica

    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.

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