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Electrical Warning Signs

Our electrical safety signs are designed to identify electrical hazards and alert those nearby to any potential dangers. These signs use internationally-recognised symbols to provide clear, highly-visible warnings in a wide variety of circumstances.

Our electrical hazard signage collection includes:

  • 'Risk of electric shock' signs

  • 'High voltage' notices

  • Specific voltage warnings (230V to 11,000V)

  • Signs for isolators, busbars, etc.

  • Overhead cable signs

  • Generic danger warnings

Electrical installations can be extremely dangerous, and should always be properly marked with appropraite signs.

Label Source's electrical warning signs can help to prevent electric shocks, burns, and even death by electrocution.

They can also guard against property damage, which can be brought about by unauthorised and/or unqualified handling of electrical equipment.

To make your purchase, please select a safety sign from the list below. Or, if you cannot find what you are looking for, call Label Source on 0800 3761 693.


Electrical hazard symbol safety sign.
Electrical hazard symbol safety sign.
Electrical hazard symbol sign. Part of our electrical hazard warning sign range.
Price From: £2.34 (inc VAT)
(£1.95 ex VAT)

view details for Electrical hazard symbol safety sign.
Switch off when not in use symbol and text safety sign.
Switch off when not in use symbol and text safety sign.
Switch off when not in use symbol and text sign. Part of our mandatory safety sign range, to conserve the use of electrical power at work.
Caution Risk of electric shock symbol and text safety sign.
Caution Risk of electric shock symbol and text safety sign.
Caution Risk of electric shock symbol and text sign. Part of our electrical hazard warning sign range.
Caution High voltage symbol and text safety sign.
Caution High voltage symbol and text safety sign.
Caution High voltage symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution High voltage symbol and text safety sign.
Caution 240 volts symbol and text safety sign.
Caution 240 volts symbol and text safety sign.
Caution 240 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 240 volts symbol and text safety sign.
Caution 415 volts symbol and text safety sign.
Caution 415 volts symbol and text safety sign.
Caution 415 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 415 volts symbol and text safety sign.
Caution Danger of death symbol and text safety sign.
Caution Danger of death symbol and text safety sign.
Caution Danger of death symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Danger of death symbol and text safety sign.
Caution Live busbars symbol and text safety sign.
Caution Live busbars symbol and text safety sign.
Caution Live busbars symbol and text sign. Part of our electrical hazard warning sign range. These labels are to identify these electrical conductors, which act to dissipate heat, and conduct common circuit connections within the lighting and power system.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Live busbars symbol and text safety sign.
Caution Overhead cables symbol and text safety sign.
Caution Overhead cables symbol and text safety sign.
Caution Overhead cables symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Overhead cables symbol and text safety sign.
Danger Live wires symbol and text safety sign.
Danger Live wires symbol and text safety sign.
Danger Live wires symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Danger Live wires symbol and text safety sign.
Caution Switchgear symbol and text safety sign.
Caution Switchgear symbol and text safety sign.
Caution Switchgear symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Switchgear symbol and text safety sign.
Caution Isolator symbol and text safety sign.
Caution Isolator symbol and text safety sign.
Caution Isolator symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Isolator symbol and text safety sign.
Caution 440 volts symbol and text safety sign.
Caution 440 volts symbol and text safety sign.
Caution 440 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 440 volts symbol and text safety sign.
Caution 6600 volts symbol and text safety sign.
Caution 6600 volts symbol and text safety sign.
Caution 6600 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 6600 volts symbol and text safety sign.
Caution 11000 volts symbol and text safety sign.
Caution 11000 volts symbol and text safety sign.
Caution 11000 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 11000 volts symbol and text safety sign.
Warning Uninterruptible power supply symbol and text safety sign.
Warning Uninterruptible power supply symbol and text safety sign.
Warning Uninterruptible power supply symbol and text sign. Part of our electrical hazard warning sign range.
Caution Disconnect electrical supply before working on this equipment symbol and text sign.
Caution Disconnect electrical supply before working on this equipment symbol and text sign.
Caution Disconnect electrical supply before working on this equipment symbol and text sign. Part of our electrical hazard warning sign range.
Caution High voltage test area symbol and text safety sign.
Caution High voltage test area symbol and text safety sign.
Caution High voltage test area symbol and text sign. Part of our electrical hazard warning sign range.
Caution Mains voltage symbol and text safety sign.
Caution Mains voltage symbol and text safety sign.
Caution Mains voltage symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Mains voltage symbol and text safety sign.
Caution Live conductors symbol and text safety sign.
Caution Live conductors symbol and text safety sign.
Caution Live conductors symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution Live conductors symbol and text safety sign.
Caution 230 volts symbol and text safety sign.
Caution 230 volts symbol and text safety sign.
Caution 230 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 230 volts symbol and text safety sign.
Caution 400 volts symbol and text safety sign.
Caution 400 volts symbol and text safety sign.
Caution 400 volts symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £2.76 (inc VAT)
(£2.30 ex VAT)

view details for Caution 400 volts symbol and text safety sign.
Caution Buried cables symbol and text safety sign.
Caution Buried cables symbol and text safety sign.
Caution Buried cables symbol and text sign. Part of our electrical hazard warning sign range.
Price From: £6.36 (inc VAT)
(£5.30 ex VAT)

view details for Caution Buried cables symbol and text safety sign.
Danger Isolate before removing cover symbol and text safety label.
Danger Isolate before removing cover symbol and text safety label.
Safety labels. Danger Isolate before removing cover symbol and text sign. Part of our electrical multipurpose sign range. Supplied in packs of 5 labels.

Where are our electrical safety signs used?

Label Source's range of electrical warning signs can be used in all kinds of environments, indoors and out. Here are some examples of how these products are commonly used:

  • Power stations
  • Workplaces with heavy machinery
  • Environments with many cables, plugs and extension leads (e.g. live music venues)
  • Electrified railways/tram lines
  • Undergroud/overground power cables

Our electrical hazard signs are made to meet all necessary regulations, including the Health and Safety at Work Act 1974, the Electricity at Work Regulations 1989, the Electrical Equipment (Safety) Regulations 1994, and the Electricity Safety Quality and Continuity Regulations 2002.

All signs are produced to ISO 1710 standards in accordiance with the Safety Signs and Signals Regulations 1996.