Danger high voltage cables underground electrical warning sign
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Danger High Voltage Cables Underground Safety SIgn

Warns of buried high voltage electrical cables to prevent accidental contact or excavation hazards.

• Alerts individuals to underground high voltage cable danger

• Ideal for construction sites, excavation areas, and utility zones

• High-contrast yellow and black design ensures clear visibility

• Available in durable materials suitable for long-term use

• Helps reduce risk of serious injury or electrical accidents

Sign Size

  • 150mm x 200mm
  • 200mm x 300mm
  • 300mm x 400mm
  • 450mm x 600mm

Sign Material

  • Rigid Plastic (1mm)
  • Rigid Plastic (Self Adhesive Back)
  • 2mm Rigid Plastic
  • Rigid Plastic 2mm (Self Adhesive Back)
  • Self Adhesive Vinyl

Sign Size:

Sign Material:

£2.71 Tax included

2.26 Tax excluded

Product Overview

This danger sign clearly warns of high voltage cables buried underground, helping to prevent accidental contact during excavation or groundworks. Featuring a bold yellow background with a black electrical hazard symbol and clear text, it ensures immediate recognition of serious electrical risks in hazardous environments.

Where to Use

  • Construction and building sites
  • Excavation and groundworks areas
  • Utility and infrastructure zones
  • Industrial premises
  • Electrical service areas

Key Features

  • Clear “Danger High Voltage Cables Underground” message
  • Recognisable electrical hazard symbol for quick identification
  • Bold yellow and black warning design for high visibility
  • Helps prevent accidental cable strikes and injuries
  • Durable construction for long-term use

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 excavation areas, construction zones, and locations where underground electrical cables are present.

Is this sign suitable for outdoor use?
Yes, when produced in appropriate materials, it is suitable for both indoor and outdoor environments.

What does this sign indicate?
It warns that high voltage electrical cables are buried underground, highlighting a serious risk of electric shock or injury if disturbed.

Reference WAE.05W-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 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.

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 
Ahmed K.

Exactly what we needed for our electrical safety setup. Strong, visible, and professional finish. Great for keeping teams aware of hazards.

Grade 
Mark T.

Excellent value for money and arrived quickly. The warning message is bold and highly visible. Perfect for our contractors on-site.

Grade 
James R.

Clear and easy to read even from a distance. Ideal for our site where excavation work is frequent. Good quality material too.

Write your review

Danger High Voltage Cables Underground Safety SIgn

Warns of buried high voltage electrical cables to prevent accidental contact or excavation hazards.

• Alerts individuals to underground high voltage cable danger

• Ideal for construction sites, excavation areas, and utility zones

• High-contrast yellow and black design ensures clear visibility

• Available in durable materials suitable for long-term use

• Helps reduce risk of serious injury or electrical accidents

Write your review