Electrical Safety Signs for High Voltage, Electrical Hazards & Workplaces

Clearly identify electrical hazards and restricted areas with our professional range of electrical safety signs, high voltage signs and electrical warning signs.

Designed for workplaces, industrial sites and commercial environments, our signs help communicate risks around switch rooms, substations, electrical cabinets, distribution boards, transformers, live equipment and electrical installations.

Manufactured in Britain and available in a choice of self-adhesive vinyl, rigid PVC board and aluminium composite, with options suitable for indoor and outdoor use.

Electrical Warning & High Voltage Signs

Our electrical safety sign range covers many common workplace hazards, restricted electrical areas and equipment identification requirements.

Choose the Right Sign Material

Select the material that best suits the surface, location and level of rigidity required.

Why Choose Our Electrical Safety Signs?

Where Are Electrical Safety Signs Used?

Electrical safety signage is used across commercial, industrial, construction and utility environments where electrical hazards need to be clearly communicated.

High Voltage Safety Signs

High voltage signs provide clear warning where dangerous electrical voltages may be present.

They can be used around substations, switch rooms, transformers, electrical compounds, cabinets and other areas where personnel need to recognise an elevated electrical risk before entering or approaching equipment.

Strong contrast, recognised warning symbols and concise wording help the hazard remain visible and easy to understand.

Switch Room & Substation Signs

Electrical switch rooms and substations often require clear signage to identify both the hazard and any restrictions on access.

Depending on your requirements, signs may communicate messages such as Danger High Voltage, Electrical Switch Room, Authorised Personnel Only or Keep Locked.

Appropriate signage can help contractors, visitors and employees identify restricted electrical areas before entering.

Overhead & Underground Electrical Cable Warning Signs

Electrical risks are not limited to visible equipment.

Overhead cable warning signs and underground cable signs can help alert workers and contractors to electrical services that may present a hazard during excavation, lifting or site operations.

These signs are particularly relevant around construction sites, utility installations, industrial premises and maintenance areas.

Electrical Cabinet, Panel & Equipment Labels

Clear labels can help identify electrical cabinets, distribution boards, control panels and other equipment throughout a workplace.

Self-adhesive vinyl is often particularly useful for clean, smooth equipment surfaces, while rigid signs can provide more prominent warning at entrances and surrounding areas.

Electrical Safety Signs for Industrial & Commercial Workplaces

Electrical hazards occur across many different working environments, from manufacturing and engineering to warehousing, construction and energy.

Our range can help businesses communicate risks around live equipment, restricted rooms, electrical installations, switchgear, plant and utility infrastructure.

Choosing signage appropriate to the location, viewing distance and mounting surface helps improve visibility and workplace communication.

Electrical Safety Signs for Solar & Renewable Energy Installations

Solar and renewable energy installations can introduce electrical risks that require clear identification for maintenance personnel, contractors and emergency responders.

Suitable electrical warning and information signage can help identify electrical equipment, isolation points, live circuits and restricted areas.

Bulk Electrical Safety Sign Discounts

Larger workplaces and sites often require the same safety message in several locations.

Bulk discounts make it easier to standardise electrical warning signage across larger sites and multiple locations.

Custom Electrical Safety Signs

If you need electrical signage with wording, branding or information that is not covered by a standard design, selected signs can be customised.

Depending on the product, custom signage can incorporate your company logo, site information, specific wording or other relevant details.

This can be useful where standard safety wording needs to be combined with company-specific instructions or site identification.

Electrical Safety Signs Made in Britain

Our electrical safety signs are professionally manufactured by 1st 4 Signs in Britain.

With more than 20 years of sign-making experience, we produce commercial signage using carefully selected materials and professional production methods for businesses, trades and organisations.

Frequently Asked Questions About Electrical Safety Signs

What types of electrical safety signs do you sell?

Our range includes high voltage signs, electrical hazard signs, danger electrical signs, switch room signs, substation signs, cable warnings, electrical panel labels and restricted-access notices.

What materials are electrical safety signs available in?

Depending on the product, signs are available in self-adhesive vinyl, rigid PVC board and aluminium composite.

Which material should I choose?

Self-adhesive vinyl is ideal for clean, smooth surfaces. PVC provides a rigid self-supporting sign, while aluminium composite is a durable option for demanding commercial and exterior applications.

Are electrical safety signs suitable for outdoor use?

Many signs in the range are suitable for outdoor use. Check the individual product page for the specific material and application.

Do you sell High Voltage signs?

Yes. Our collection includes a range of High Voltage and electrical danger signs for equipment, compounds, switch rooms and other electrical hazard areas.

Do you make signs for switch rooms and substations?

Yes. Electrical warning and restricted-access signage is available for switch rooms, substations and related electrical installations.

Do you sell electrical cabinet and panel labels?

Yes. The range includes signage suitable for electrical cabinets, panels and equipment identification.

Do you sell overhead and underground cable warning signs?

Yes. Electrical cable warning signage is available for suitable construction, utility and workplace applications.

Are electrical safety signs suitable for factories and warehouses?

Yes. They are suitable for a wide range of industrial, manufacturing, warehousing and engineering environments.

Do you make electrical signs for construction sites?

Yes. Electrical warning signage can be used on construction and work sites where electrical hazards need to be clearly identified.

Do you make signs for solar installations?

Yes. Relevant electrical safety and warning signage can be used around solar and renewable energy installations.

Can electrical safety signs be personalised?

Selected products can be customised with additional wording, company information or branding where required.

Can I add my company logo?

Where suitable for the product, your company logo can be incorporated into a custom safety sign.

Do you offer bulk discounts?

Yes. Bulk discounts are available across the range, with increasing discounts for larger quantities.

Where are your electrical safety signs made?

Our electrical safety signs are professionally manufactured by 1st 4 Signs in Britain.

Professional Electrical Safety Signage for Your Workplace

Whether you need a High Voltage sign, electrical warning sign, switch room notice, substation sign, cable warning or equipment label, choose the material and size suited to your location.

Our range provides clear electrical hazard communication for commercial, industrial, construction, utility and energy environments.

Clear Safety Communication • Durable Materials • Made in Britain