Danger 400 volts electrical warning sign with lightning bolt symbol
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Danger 400 Volts Electrical Sign

Warns individuals of the presence of dangerous 400 volt electrical hazards to prevent serious injury or death.

• Provides a clear warning of high voltage electrical danger

• Suitable for use in industrial sites, plant rooms, and electrical areas

• Bold black text and symbol on yellow background for high visibility

• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl

• Helps reduce the risk of electric shock and supports workplace safety compliance

  • 150mm x 200mm
  • Rigid Plastic (1mm)
  • Self Adhesive Vinyl

£2.19 VAT excluded

£2.19 VAT excluded

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  • Product Overview

    This danger 400 volts sign is designed to clearly warn individuals of high voltage electrical hazards. Featuring a bold black lightning bolt symbol and clear text on a bright yellow background, it ensures maximum visibility and immediate recognition, helping to prevent serious injury or fatal accidents in hazardous environments.

    Where to Use

    • Electrical control panels
    • Plant rooms and boiler rooms
    • Industrial facilities
    • Maintenance and service areas
    • Power distribution units

    Key Features

    • Clear “Danger 400 Volts” message
    • Recognisable electrical hazard symbol
    • High contrast yellow and black design
    • Easy to read from a distance
    • Supports accident prevention and awareness

    Materials & Options

    • Rigid Plastic (1mm)
    • Rigid Plastic (2mm)
    • 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 near high voltage equipment, electrical panels, and any area where 400 volt systems are present.

    Is this sign suitable for outdoor use?
    Yes, when produced in appropriate materials, it can be used both indoors and outdoors depending on the surface and conditions.

    What does this sign indicate?
    It warns of the presence of a 400 volt electrical hazard, alerting individuals to the risk of electric shock or serious injury.

    WAE.24W-SA

    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

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