Enhance electrical safety in your workplace with our Danger High Voltage sign, meticulously manufactured in Britain to deliver clear, compliant electrical hazard warnings. Featuring the internationally recognised lightning bolt pictogram alongside bold, legible typography, this sign is specifically designed for high-risk environments such as switchgear rooms, transformer enclosures, substations, and construction sites. By clearly indicating the presence of live electrical equipment, it plays a vital role in preventing accidents, electric shocks, and potentially fatal incidents.

Constructed from durable, weather-resistant materials—including rigid plastic, aluminium composite, and self-adhesive vinyl options—this sign withstands harsh environmental conditions. It fully complies with ISO 7010 graphical standards and supports adherence to the Health and Safety (Safety Signs and Signals) Regulations 1996 as well as the Electricity at Work Regulations 1989 in the UK. Suitable for any location where a significant electrical hazard exists and cannot be eliminated through engineering controls, this sign is essential to meet employer responsibilities under the Health and Safety at Work Act 1974.

As one of our most trusted warning signs, it offers exceptional visibility even in low-light or cluttered environments, making it a preferred choice for risk managers, HSE-compliant safety officers, and electrical contractors. Designed for both indoor and outdoor use, it resists moisture, UV exposure, and general site wear, ensuring reliable, long-lasting performance.

Choose The Sign Shed, the UK’s leading online safety signs supplier, proudly Made in Britain and backed by over 5,000 5-star excellent reviews. Protect your workforce and property by investing in a sign that meets legal standards and industry best practices, ensuring compliance and safety in your electrical hazard zones.